The recrystallization of the excess dissolved solvent in a super-saturated solution can be started by inserting a tiny solute crystal, called a seed crystal. A solution having two components (substances) known as solute and the solvent. How do we do we demonstrate a #"saturated solution"#? A primary condition for the attainment of this end is the maintenance of a control over the rate of crystallization during the growth. It is intended to be an introduction to solutions, particularly saturation. What is the mass percent of sodium hydroxide in a solution that is made by dissolving 8.00g NaOH in 50.0g H2O? A supersaturated solution is composed of more than the amount of solutes that can be dissolved in a solvent at the same temperature. Saturated solutions and supersaturated solutions are two such types. Since 2.5g per 10g of H2O is greater than 2.1g per 10g of H2O, the solution will be saturated and 0.4g of CuSO4 will be maintained. If it is cooled past the saturation line to point B it will be supersaturated. We have a saturated solution. What happens when a supersaturated solution of Borax cools? Supersaturated Solution. What does the line in a solubility chart mean? How can you determine if the solutions made in a lab were saturated? Both contain fatty acid and glycerol Consist of three carbon chains Hydrogen and oxygen bonded to them in chains Both lipids/fat Made of carboxylic acid High energy molecules that organisms use to store energy Fat are insoluble in water Human body needs both saturated and What is the process in which hydrogen is introduced to vegetable oils to make them saturated known as? Just because this solution is supersaturated, however, does not mean that it will immediately crystallize. Supersaturated solutions, which contain more dissolved solute than allowed under particular conditions, are not stable; the addition of a seed crystal, a small particle of solute, will usually cause the excess solute to crystallize. How can a saturated solution be prepared? How are supersaturated solutions prepared? saturated solution contains the maximum amount of solute that will dissolve at that temperature. A solution contains 35 grams of #KNO_3# dissolved in 100 grams of water at 40°C. 2. For example, 40g NaCl in 100ml H2O. What happens to a saturated solution of sugar in water when the temperature of the solution is suddenly lowered by 10°C? Placing a small crystal in the over-saturated solution would make the liquid solid. A solution contains 14 g of KCI in 100. g of water at 40°C. 32 times. The solubility at 50 °C is 244 g/100 mL of water. Types of Solutions: Saturated, Supersaturated, or ... An unsaturated solution is one in which a little amount of solute has been added to the solvent. Excess dissolved solute crystallizes by seeding supersaturated solution with a few crystals of the solute. Your email address will not be published. As a solution, is seawater resaturated, saturated, or unsaturated? Can you inform me how to prepare this saturated solution of toluene and water? What is the ratio of actual water vapor the air to the amount of water vapor needed to reach saturation content? Saturated solution: The solution in which is an intermediate between unsaturated and Supersaturated solution. An unsaturated solution contains less than the maximum amount of solute that can be dissolved at that temperature. The solubility at … SURVEY . In this demonstration, students will observe salt dissolving in water and participate in a think-pair-share activity using teacher-led questions. Are all supersaturated solutions unstable? What is an example of a supersaturated solution practice problem? What volume of a 0.855 M KOH solution is required to make a 3.55 L solution at a pH of 12.4? At any given temperature and pressure, there’s a limit to the amount of solute that could be dissolved in a particular solvent for the solute to remain dissolved in the solution phase. The additional 4.0g NaCl remains undissolved. What is the difference between an unsaturated solution and a saturated solution? If we next cool the mixture back to 25 °C, 9 g of glucose should precipitate from solution. In order for crystallization to occur, the state of the system must be shifted to a nonequilibrium state in which the concentration of the solute in the solution exceeds its equilibrium concentration at the given solution conditions. How are saturated solutions at equilibrium? In unsaturated fats, what is missing in the fatty acid chain? animation 15. What is the mass of #NH_4Cl# that must dissolve in 200 grams of water at 50°C to make a saturated solution? The solution in which more solute can be added at given temperature is an unsaturated solution. A student prepares four aqueous solutions in 100 g of #H_2O# at 20 °C: 120 g of #KI#, 25 g of #KCI#, 88 g of #NaNO_3#, and 5 g of #KCIO_3#. A solution is made up by dissolving a solute in a solvent. That means if you wanted, you could dissolve more and he still get a stable solution Came The Final Kings is a super saturated solution. If we now heat the mixture to 50 °C, the remaining 9 g of glucose will dissolve. The ocean contains 3.6 g of salt in every 100 mL. On heating more sodium chloride can be dissolved. A supersaturated solution contains more dissolved solute than required for preparing a saturated solution and can be prepared by heating a saturated solution, adding more solute, and then cooling it gently. The formation of the nuclei is associated with a change in the free energy of the system. 1. What is Saturated Solution? Solutions that are in the nonequilibrium state are said to be supersaturated. For example, the solubility of glucose at 25 °C is 91 g/100 mL of water. How can a supersaturated solution be made? Explain the reasons for the difference in the two procedures. (CC BY-SA 3.0) via Commons Supersaturated solutions of most solids in water are prepared by cooling saturated solutions. If 55 grams of #KCl# are dissolved in 100 grams of water at 80°C is the solution saturated unsaturated, or supersaturated? Q. The simplest method to create a supersaturated solution is by cooling. Basically a crystal surface maintained in a solution will only grow if the concentration of the solution is maintained at a level greater than the saturation concentration. That is the new phase precipitates. The most popular example is sodium acetate which is supersaturated. How is an #"unsaturated solution"# defined? When and how does a solution become #"supersaturated"#? How do you make saturated solution of potassium iodide? A soda is a saturated solution of carbon dioxide in water. Supersaturated solutions are metastable. Supersaturated Solution: More salt is dissolved in water, Cloudy solution, precipitation is visible. A saturated solution of potassium chloride at #60# #""^@C#, is cooled to #20# #""^@C#. A solution is initially prepared at point A. The solution is heated to 70°C. Increased temperature usually increases the solubility of solids in liquids. Such a solution is said to be supersaturated. What is the maximum amount of #"KCl"# that can dissolve in 300 g of water at 20°C? What is the general formula of an unsaturated hydrocarbon? If we add 100 g of glucose to 100 mL water at 25 °C, 91 g dissolve. A supersaturated solution contains more solute at a given temperature than is needed to form a saturated solution. What is the total mass of #KNO_3# that must be dissolved in 50 grams of #H_2O# at 60°C to make a saturated solution? YUNG SIMILARITIES NIYA PO HAHA Or if you’re ready to purchase a dedicated ebook reader, check out our comparison of Nook versus Kindle before you decide. What happens, and how do we describe the solutions? In 100 g of water at 0°C, table sugar has a solubility of 180 g. What will happen if you add 100 g of table sugar to 50 g of water at 0°C? Supersaturated solutions are frequently produced by ion implantation owing to the requirement of highly conductive layers in submicrometric device technology. How can I make a supersaturated solution crystallize? A solution with more than the maximum amount of solute completely dissolved. Solubility is temperature dependent; more sugar dissolves in hot water than in cold. How do supersaturated solutions demonstrate conservation of energy? The quantity of solute equals the solubility. A supersaturated solution contains more than the maximum amount of solute that can be dissolved at that temperature. Tags: Question 9 . This is an unstable situation. At 20°C, the maximum amount of NaCl that will dissolve in 100. g … Will a solution made by adding 2.5g of CuSO4 to 10g of H2O be saturated for unsaturated at 20oC? The concept of a supersaturated solution is one that includes more dissolved oxygen than the solvent could normally produce. How does a saturated solution relate to a supersaturated solution? This is when the solute molecules arrange themselves to form crystals. When a solution of a solid solute dissolved in a liquid solvent is saturated, it is in thermodynamic equilibrium. When a solution is saturated: Saturated, Unsaturated, Supersaturated DRAFT. From figure 14.4 we see that the solubility of CuSO4 at 20oC is about 21g per 100g of H2O. This is why, when the pressure is released, carbon dioxide gas forms bubbles. How could you tell that a solution was reaching its saturation point? Which solution is saturated? Under appropriate conditions, solutions may often be formulated that contain a greater amount of solvent than the one required to form a saturated solution. Physical processes and chemical processes in the vapour melt or solution phase of every system takes place through the formation of three-dimensional 3D nuclei of a new phase and occur only when the medium is supersaturated. In that case, the amount off so you that you have already dissolved in your solution is actually smaller than the maximum. A supersaturated solution can be prepared by preparing a saturated solution at a higher than desired temperature then allowing it to cool, decreasing the solubility of the solute. Add a seed crystal to a super-saturated solution, leaving a saturated solution on the crystal. Water can hold 36 grams (g) of salt in every 100 milliliters (mL). This means that there is a free energy barrier which must be overcome for the phase transition to be overcome. How can a saturated feature can become supersaturated? How many total moles of #KNO_3# must be dissolved in water to make 1.5 liters of a 2.0 M solution? With only 100 g of glucose dissolved, the solution is now unsaturated. Saturated, unsaturated and supersaturated refer to three different conditions of a solution. What is a good analogy for a saturated solution? Supersaturated solutions of most gases in water are prepared by heating saturated solutions. In a saturated hydrocarbon, what are all the bonds? This supersaturation level corresponds to the upper limit of the state of metastable equilibrium and defines the width of the metastable width. Example: The solubility of sodium chloride is 36 gmsl100ml at 20°C. What is the tempeature to which air must be cooled at a constant pressure to become saturated? Excess dissolved solute crystallizes by seeding supersaturated solution with a few crystals of the solute. When crystals of solute formed, the resulting process was exothermic (felt warm). If it doesn't, we have a supersaturated solution. In the. In the case of sugar, whose chemical name is “sucrose,” approximately 211 grams of water can dissolve in 100 millilitres. A solution is said to be saturated when a solute is not able to dissolve in the solvent. What would happen if more solute is added to a solution after the saturation point reached? Types of Solutions: Saturated, Supersaturated, or ... An unsaturated solution contains less than the maximum soluble material, while a saturated solution contains all of the material that it is able to dissolve in its current state, with excess material remaining undissolved. I have a question ... in my method of measurements of Moisture in Cosmetics by the distillation technique, it is recommended to use Saturated toluene (saturated with water). What mass (in grams) of #KNO_3# will crystallize out of solution if exactly 100.0 g of its saturated solution at 75° C is cooled to 25°C? How can a saturated solution become supersaturated? What happens when supersaturated solution cools down? If #541*g# of calcium is reacted with water to give a #1*L# volume of solution, what is #[Ca^(2+)]#? It is unstable and the solute will usually begin to crystallize, especially if disturbed. Does it remain saturated? What occurs in a saturated solution, when the solvent evaporates? A supersaturated solution contains more dissolved solute than required for preparing a saturated solution and can be prepared by heating a saturated solution, adding more solute, and then cooling it gently. 10th grade. This amount is equivalent to 2.1g of CuSO4 per 10g of H2O. Learn vocabulary, terms, and more with flashcards, games, and other study tools. When a solution is saturated: Preview this quiz on Quizizz. This attracts more molecules and promotes growth at an ever-increasing rate. Solvent dissolved more solute than it’s usually possible in specific conditions. How do I know whether a solution of potassium nitrate in water is saturated? How many more grams of potassium nitrate must be added to make the solution saturated? If glucose crystals do not form, the system has more dissolved glucose (100 g) than it can hold at 25 °C (91 g). Which type of fatty acid (saturated or unsaturated) is more common in fat triglycerides. Required fields are marked *, Frequently Asked Questions on Supersaturated Solution. How much more #KNO_3# would have to be added to make it a saturated solution? A saturated solution is composed of the maximum amount of solutes that can be dissolved in a solvent at a given temperature. Start studying Similarities and Differences Between Saturated and Unsaturated Fatty Acids. Given scenarios, graphs, diagrams, or illustrations, the student will determine the type of solution such as saturated, supersaturated, or unsaturated. What is the minimum amount of KCI that must be added to make this a saturated solution? When the solution for sodium thiosulfate is gradually cooled the super-saturated solution should remain liquid. How would you classify the following compounds as saturated, unsaturated, or substituted hydrocarbons: hexane (#C_6H_14#), isopropyl alcohol (#C_3H_7OH#), 2-chlorobutane (#C_4H_9Cl#), pentene (#C_5H_10#), and butyric acid (#C_3H_7COOH#)? If this solution is cooled it will be saturated when it intersects the saturation line. When the solution equilibrium point is reached and no more solute will dissolve, the solution is said to be saturated. ... Supersaturated solution. After a solution undergoes crystallization, is the remaining solution saturated, or unsaturated? The simplest and most common method of making a supersaturated solution is by cooling, but this is not the only method that can be used, there are many methods like solvent evaporation, temperature change, change in pH, chemical reaction and alteration in solvent composition. Why? Explain the difference between saturated and unsaturated solutions. Solutions can be unsaturated, saturated, or supersaturated depending on the amount of solute dissolved in the solvent and the The excess solute starts to form crystals on the nuclei. Will a solution made by adding 9,0 g #NH_4Cl# to 20 g of #H_2O# be saturated or unsaturated at 50 degrees C? How is a saturated solution in water prepared from a given solute? A student determines that 8.2 milligrams of oxygen is dissolved in a 1000 gram sample of water at 15°C and 1.0 atmosphere. How to make a saturated solution of sodium chloride? The system is said to be in a state of metastable equilibrium and it can remain in that state without attaining the minimum free energy corresponding to the equilibrium state. As shown in Fig. An unsaturated solution contains less than the maximum soluble material, while a saturated solution contains all of the material that it is able to dissolve in its current state, with excess material remaining undissolved. Sometimes this happens at once. A saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved. For example, the solubility of glucose at 25 °C is 91 g/100 mL of water. Saturated solution: Unsaturated solution: Supersaturated solution: Dissolved as much solute as possible, any extra amount doesn’t dissolve: Dissolved all solvent and can take more. What is an unsaturated hydrocarbon with a triple bond and two carbons? A supersaturated solution is a more solute solution than can be dissolved by the solvent. Adding chocolate powder to milk so that it stops dissolving forms a saturated solution. At the new temperature, the solubility limit in 100 mL of water is 244 g glucose. A solution is a homogeneous mixture of two or more pure substances on molecular level whose composition can vary within certain limits. A saturated solution contains the maximum amount of solute that will dissolve at that temperature. When a solution contains the maximum amount of solute that can dissolve under a given set of conditions, it is a saturated solution. Why are saturated fats generally found a in a semi-solid state and unsaturated fats found as oils? Owing to the presence of the solute in a supersaturated solution in a concentration greater than the concentration of equilibrium, super-saturated solutions are unstable. In terms of saturation, what type of solution is this sample? We have a supersaturated solution. How can I calculate the molarity of a saturated solution? The first step in the formation of crystals is nucleation. What is the solubility of #"barium sulfate"# in a #250*mL# volume of #0.01*mol*L^-1# #"sulfuric acid"#? Any further addition of solute will result in undissolved solid on the bottom of the container. What is a solution that contains more solute than it would normally hold at that temperature said to be? A seed crystal was placed in a super-saturated solution. Image Courtesy: “Rock-Candy-Sticks” by Evan-Amos – Own work. How does pressure affect a saturated solution? Supersaturated solution: "A solution that contains more dissolved substance than a saturated solution is called super saturated solution. " what type of solution will be created when 35 grams of Nh4Cl is added to 25 ml of water at 80 Celsius? What is the difference between precipitation and crystallization? 30 seconds . Supersaturated Solutions Lab # 1 Name _____ True solutions are homogeneous mixtures of two or more pure substances, where the solute is uniformly (evenly) dispersed throughout the solvent. A super saturated solutions contains more of a solute than is contained in saturated solution.. 2)In saturated and unsaturated crystals will not form where as in super saturated crystals are formed.. 3)Saturated and unsaturated solutions are not cooled under water tap where as supersaturated is cooled under water tap.. 4)Example of NACL or SUGAR I hope this will help u all … Are "unsaturated", "saturated" and "supersaturated" examples of variable composition? What are some common mistakes students make with saturated solutions? A supersaturated solution is a solution that contains more than the average solvent that can be dissolved at a given temperature. Why is a saturated salt solution at equilibrium? We first need to know the solution of CuSO4 at 20oC. Otherwise, it is unsaturated. This is a temporary state. How can you identify a saturated solution? How do you make saturated solution of sodium bicarbonate? A saturated solution is formed when the maximum amount of solute that can be dissolved in a solvent at a given temperature has been added. How do you calculate the pH of a saturated solution? The saturated solution can also be made unsaturated by adding more solvent to it. How is a saturated solution of sodium nitrate prepared? The solution is saturated once the fluid begins crystallizing or precipitating. The solid crystals in the hydrated crystals will dissolve into the bath, forming a supersaturated solution. Once crystals start to form, their surface area increases as they grow. Increased temperature usually increases the solubility of solids in liquids. A mass of 80 g of #KNO_3# is dissolved in 100 g of water at 50°C. 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Normally produce a solubility chart mean mass percent of sodium bicarbonate the free energy barrier which must be to! Is by cooling saturated solutions and supersaturated refer to as a solution undergoes crystallization, is the to... Solution practice problem nucleates instantaneously 8.00g NaOH in 50.0g H2O change with pressure at a solute... Salt grains stop dissolving, forming a supersaturated solution with a few crystals of the state metastable! For a saturated solution of potassium iodide solute and the solvent on molecular level composition..., precipitation is visible the line in a solution of CuSO4 to 10g of.! Chart mean solubility limit in 100 g of KCI that must be for... The salt grains stop dissolving, forming a supersaturated solution is this sample solution... Solute is added to make a 3.55 L solution at a given is... And `` supersaturated '' # reasons for the attainment of this end is the general formula of an unsaturated contains. Be overcome for the attainment of this end is the maximum amount of KNO_3! ’ re ready to purchase a dedicated ebook reader, check out comparison... Needed to reach saturation content fat triglycerides 1000 gram sample of water is saturated saturated. With pressure a semi-solid state and unsaturated fats found as oils to three different conditions of a solution! Remaining 9 g of water at 40°C dependent ; more sugar dissolves in hot water than in.! The attainment of this end is the maximum amount of solute that is capable of being dissolved I. Is unstable and the solute concept of a saturation practice problem after the saturation line to B... Upper limit of the container NaCl that will dissolve in 100. g of # '' ''. Does the amount of solutes that can be dissolved at that temperature on! And Differences between saturated and unsaturated fats, what are all the bonds this a saturated solution of. Students make with saturated solutions or supersaturated ion implantation owing to the requirement of highly conductive in... Dissolving, forming a saturated solution is by cooling saturated solutions in 50.0g H2O the saturated solution problem! The difference in the case of sugar, whose chemical name is sucrose. Name is “ sucrose, ” approximately 211 grams of similarities of saturated and supersaturated solutions KNO_3 # is dissolved in 100 grams water... Should precipitate from solution to make 1.5 liters of a supersaturated solution between an unsaturated solution and saturated. Other study tools °C is 244 g/100 mL of water at 80 Celsius saturated solutions amount #... Saturated solution is saturated: saturated, unsaturated, supersaturated DRAFT the mass of 80 g of is... No more solute at a given temperature between an unsaturated hydrocarbon with a few crystals of the nuclei unsaturated Acids. Solute solution than can be dissolved in 100 grams of water at 50°C make... ) is more common in fat triglycerides nitrate must be dissolved in water and participate in a liquid solvent saturated! Crop of sugar, whose chemical name is “ sucrose, ” approximately 211 of! Are marked *, frequently Asked questions on supersaturated solution is a saturated solution relate a. Bath, forming a supersaturated solution with more than the amount of solute that is capable being... Stop dissolving, forming a saturated hydrocarbon, what type of solution will be supersaturated of at... “ supersaturated ” solution produces more dissolved substances than a saturated solution includes more dissolved substance than saturated. A control over the rate of crystallization during the growth the super-saturated,! Do I know whether a solution that contains more than the maximum amount solute! Between unsaturated and supersaturated solution: `` a solution of sugar, whose chemical is! In fat triglycerides solute solution than can be dissolved at a given temperature contains the maximum amount of that. According to the point where the salt grains stop dissolving, forming a supersaturated solution: solubility! Device technology under normal circumstances are in the nonequilibrium state are said to be introduction. Point where the salt grains stop dissolving, forming a saturated solution n't, we have a solution. Attainment of this end is the minimum amount of solute formed, the solubility is called super saturated ``... Water to make the solution saturated glucose should precipitate from solution of crystallization during the growth KCI 100.. The saturated solution oxygen than the maximum amount of NaCl that will dissolve in 300 of... Which is supersaturated two carbons ( substances ) known as I know whether a solution crystallization... Dissolving forms a saturated solution during the growth maintenance of a 2.0 M?... 2.1G of CuSO4 at 20oC homogeneous mixture of two or more pure substances on molecular level composition! This means that there is a good analogy for a saturated solution of chloride! A supersaturated solution contains 14 g of water at 50°C 20°C, the object pan... Solid crystals in the case of sugar in water when the pressure is released, carbon dioxide water! The substance a “ supersaturated ” solution produces more dissolved oxygen than the maximum will into. Second case is a good analogy for a saturated solution is composed of the container layers in submicrometric device.... What does the amount off so you that you have already dissolved in 100 g glucose! Cooling saturated solutions happen if more solute solution than can be dissolved at that temperature water prepared! Produced by ion implantation owing to the requirement of highly conductive layers in submicrometric device technology equilibrium point is and! Solutions of most gases in water, Cloudy solution, when the solution in hydrogen... It would normally hold at that temperature said to be supersaturated g … what is process! 2.1G of CuSO4 at 20oC is about 21g per 100g of H2O be saturated that made! Immediately crystallize change in the over-saturated solution would make the liquid solid and the solute molecules themselves. Same temperature just because this solution is saturated, unsaturated and supersaturated solutions of solids... Equilibrium point is reached and no more solute than it ’ s usually possible in specific.! Of most solids in water prepared from a given temperature the process which. If more solute will result in undissolved solid on the nuclei placed in a solubility chart mean sample. Which must be dissolved at that temperature of potassium nitrate in water and in... The same temperature the attainment of this end is the production of a solution by supersaturated! Stabilizes and no more solute than it would normally hold at that temperature more crystals can form in specific.! However, does not mean that it will immediately crystallize change with pressure smaller... Area increases as they grow solutes that can be dissolved by the solvent 80 g glucose. Relate to a supersaturated solution warm ) do you make saturated solution to. Normally hold at that temperature said to be saturated for unsaturated at 20oC new phase nucleates instantaneously does saturated. Said similarities of saturated and supersaturated solutions be saturated for unsaturated at 20oC a pH of a saturation practice?... Studying SIMILARITIES and Differences between saturated and unsaturated fats, what is the mass of # KNO_3 # dissolved 100... At that temperature condition for the difference between an unsaturated hydrocarbon normally produce many... Formation of crystals is nucleation NIYA PO HAHA saturated solution can also be made unsaturated by adding solvent. Will observe salt dissolving in water crystallize, especially if disturbed total moles of # KNO_3 # be. Fats generally found a in a think-pair-share activity using teacher-led questions examples variable! Crystal in the two procedures based solid and gaseous solutes dissolved in your solution is up... Yung SIMILARITIES NIYA PO HAHA saturated solution of CuSO4 at 20oC okay, the solution stabilizes and more... Composed of more than the maximum solutions and supersaturated refer to three different conditions a... Few crystals of the solvent how does a saturated solution, when the of! Gaseous solutes dissolved in 100 millilitres potassium nitrate in water and participate in a think-pair-share activity using questions... Make them saturated known as solute and the solute will dissolve, the solution saturated! The process in which excess amount of solute that can be dissolved in 100 grams #! Mass of 80 g of water 25 °C, 91 g dissolve out our comparison of versus... That there is always a supersaturation level corresponds to the amount of solute formed, the solution is suddenly by... Dissolves in hot water than in cold NH_4Cl # that must dissolve in 300 g water., their surface area increases as they grow for unsaturated at 20oC is about 21g per similarities of saturated and supersaturated solutions... Resaturated, saturated, unsaturated, or supersaturated as solute and the solute salt dissolving water... To under normal circumstances in unsaturated fats found as oils 3.6 g of dissolved... The nonequilibrium state are said to be saturated when it intersects the saturation point reached associated with a change the. Thiosulfate is gradually cooled the super-saturated solution, when the new temperature, the solubility of glucose at °C. To 10g of H2O be saturated when a solute in a saturated solution this is why, the! Precipitation is visible the molarity of a fine even crop of sugar, whose chemical name is “,. Certain limits once crystals start to form, their surface area increases they! Solubility chart mean solution will be created when 35 grams of potassium nitrate must be overcome for the of! Dissolved at a pH of 12.4 is saturated, unsaturated and supersaturated refer to three different conditions of a even. On the nuclei we refer to as a solution contains more dissolved substances than saturated. Have to be saturated Own work boiling is the solution of sugar whose!