Does the solubility of a substance change with temperature? Explain with the help of an example.

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Solution

Part 1:Solubility
The maximum amount of solute that can dissolve in a known quantity of solvent at a certain temperature is its solubility.
Part 2: Two factors that affect solubility are temperature and pressure:
Temperature affects the solubility of both solids and gases.
Temperature can also increase the amount of solute that can be dissolved in a solvent.
For all gases, as the temperature increases, solubility decreases.
Pressure only affects the solubility of gases.
Henry's law is a gas law that states that the amount of dissolved gas in a liquid is proportional to its partial pressure above the liquid.
The solubility of a given solute to dissolve in a specific solvent depends on the temperature. With an increase in temperature solubility of liquids and solids increases. In the same way solubility of gases decreases with an increase in temperature. For example, when we mix salt or sugar in water. Both will be more easily soluble in hot water as compared to normal or cold water.

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Normally, solubility of a crystalline solid increase with temperature. Does it increase uniformly in all cases ? Name a substance whose solubility :

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Question 20
Does the solubility of a substance change with temperature? Explain with the help of an example.

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