define solubility. how does it vary with temperature ? ehat happens when a hot saturated solution is allowed to cool?

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Solution

The amount of solute which can dissolve in a particular amount of solvent at a particular temperature to form a saturated solution is called the solubility of the solute.
Usually for solids Solubility is a function of temperature, so on decreasing the temperature solubility decreases and vise-versa. Therefore, if a hot saturated solution is cooled then more and more amount of solute will precipitate out and settle down at the bottom.

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