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An unstable solution containg more than the maximum amount of didolved solute is a saturated solution?
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What is the difference between a saturated solution and a super saturated solution?
A super saturated solution is unstable, and wants to precipitate some solute to regain a stable situation. Dissolve something in water at a high temperature in a perfectly clean glass container, until no more dissolves. Cool slowly and the solution becomes unstable because it holds more in solution than is normal at equilibrium at that lower temperature. It is super saturated. A tiny speck of dust or even agitation can provide conditions where the excess can precipitate out as a solid particles in suspension, until the equilibrium concentration of solution is reached, but with clouds of precipitate in there.
What is the difference between a saturated solution and a super-saturated solution?
A super saturated solution is unstable, and wants to precipitate some solute to regain a stable situation. Dissolve something in water at a high temperature in a perfectly clean glass container, until no more dissolves. Cool slowly and the solution becomes unstable because it holds more in solution than is normal at equilibrium at that lower temperature. It is super saturated. A tiny speck of dust or even agitation can provide conditions where the excess can precipitate out as a solid particles in suspension, until the equilibrium concentration of solution is reached, but with clouds of precipitate in there.
Is a supersaturated solution stable or unstable?
Yes. If a solution is supersaturated, that means there is too much of the dissolved particles in the solvent. The slightest provocation will create the excess particles to separate back into their original form until the solution is at its saturation point.
What term describes a solution that contains the maximum amount of soluteit can hold?
A solution that has the maximum amount of solute dissolved at that temperature is known as a saturated solution.However it is possible to prepare a super saturated solution by heating the solution slightly, dissolving the maximum amount of solute and then carefully cooling the solution. Generally the super saturated solution is unstable and the excess solute will precipitate out if given the energy to do so.A common super saturated solution is a sugar solution. Sugar is added to water and the solution is heated and then carefully cooled. The solution can form a glass like solid called "toffee" rather than crystals of sugar.
Is a solution stable or unstable?
unstable
What is a super saturated?
Almost every chemical that dissolves (solute) in a solution eventually reaches a proportion of solute to solvent where no more material will dissolve. The extra just falls to the bottom. This is saturated solution. However if you "play tricks" on the saturated solution. For example cooling it gently so the solution is holding more solute at the lower temperature than it should. The solution is said to be supersaturated. This is usually a unstable condition. A tap on the container or the introduction of a dust mote or particle of the solute, will result in the precipitation of the excess solute from the solution.
How many teaspoons of sugar dissolves in 20 ml of water?
Any number after the solution has reached the point of saturation. It may be possible to dissolve a few more teaspoons of sugar but the super-saturated solution so formed will be unstable.
How many teaspoons of sugar does not dissolves in 20 ml water?
Any number after the solution has reached the point of saturation. It may be possible to dissolve a few more teaspoons of sugar but the super-saturated solution so formed will be unstable.
What is a superated solution?
Almost every chemical that dissolves (solute) in a solution eventually reaches a proportion of solute to solvent where no more material will dissolve. The extra just falls to the bottom. This is saturated solution. However if you "play tricks" on the saturated solution. For example cooling it gently so the solution is holding more solute at the lower temperature than it should. The solution is said to be supersaturated. This is usually a unstable condition. A tap on the container or the introduction of a dust mote or particle of the solute, will result in the precipitation of the excess solute from the solution.
What is a super-satured solution?
Almost every chemical that dissolves (solute) in a solution eventually reaches a proportion of solute to solvent where no more material will dissolve. The extra just falls to the bottom. This is saturated solution. However if you "play tricks" on the saturated solution. For example cooling it gently so the solution is holding more solute at the lower temperature than it should. The solution is said to be supersaturated. This is usually a unstable condition. A tap on the container or the introduction of a dust mote or particle of the solute, will result in the precipitation of the excess solute from the solution.
A solution that contains all the solute that it can hold is a what solution?
That is called a saturated solution. It has reached a point where it can no longer dissolve any more solute (thing to be dissolved) in the solvent.This is more info you might find interesting:Keep in mind compounds dissolve at different rates in solvent. This rate is dependent on heat; goes faster with more. To be sure its not the dissolve rate but saturation you'll need to give it time. Of course a quick fix for a saturated solution is to add more solvent.Unless the goal is to be saturated, like in hand warmers. An example of a super saturated solution. Crystal sodium acetate trihydrate is dissolved in water until the saturation point. It is heated to force more to dissolve and then is allowed to cool down. Once it has cooled the sodium acetate (NaOAc) is still dissolved in solution but is now unstable and easily recrystallized. If even a single crystal more NaOAc is added the entire solution will recrystallize. This recrystallization actually has a surprising effect. It produces heat as an exothermic reaction. That is why this property is used in hand warmers.
How can you describe the equilibrium in a saturated solution?
No. A saturated solution is still in equilibrium. If you bring it into contact with more of the solute, the concentration will remain the same. Solute will precipitate out at the same rate that more solute dissolves into the solution. An unstable equilibrium would be a supersaturated solution. In a supersaturated solution, more of the solute is in solution that would be equilibrium with the solid solute (or gas if you are dissolving gas for example). An example that many people are familiar with is dissolving a lot of sugar into hot water. As it cools down, the solution becomes supersaturated. As long as there is nothing for the sugar to nucleate on , the sugar can remain in solution indefinitely. If you hang a string in the solution, the sugar will start crystalizing on the string, forming "rock candy."
