Question

Why does the solubility of sodium chloride increases a little when the temperature is increased? ​

Answer 1

For many solids dissolved in liquid water, the solubility increases with temperature. The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.

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Answer 2

Answer:

because the molecules present in the solution on heating, moves fastly and hence we can dissolve more ammount of sodium chloride in the solution