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A solution is saturated in both nitrogen gas (N2) and potassium chloride (KCl) at 75°C. What happens when the solution is cooled to room temperature?
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A solution is saturated in both nitrogen gas (N2) and potassium chloride (KCl) at 75°C. What happens when the solution is cooled to room temperature?

User Parshuram Kalvikatte
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1 Answer

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Answer:

Some of KCl will precipitate out of the solution.

Step-by-step explanation:

Gases solubility increases with decrease in temperature and therefore nitrogen gas will not bubble out is the temperature is dropped from 75 deg C to room temperature.

On the other hand, KCL is a salt in solid state and the solubility of solids decreases with decrease in temperature. Therefore some of the KCl will precipitate out of the solution when temperature drops from 75 deg C to room temperature.

User Sabo Boz
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