Pragya makes a saturated solution of potassium chloride in water at. 353 k and leaves the solution to cool at room temperatures. what would she observe as the solution cools ? Explain
Answer (1)
20th Aug, 2025
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When Pragya prepares a saturated solution of potassium chloride (KCl) in water at 353 K (80°C) and allows it to cool to room temperature, she would observe crystallization or precipitation of potassium chloride as the solution cools.
Explanation
: A saturated solution at 353K contains the maximum amount of KCl that water can dissolve at that temperature.
The solubility of KCl increases with temperature.
As the solution cools, the solubility decreases, and the excess KCl can no longer remain dissolved.
This leads to the formation of KCl crystals or precipitate settling at the bottom of the container.
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