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A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 °c with precautions taken to avoid evaporation of any water. The solution is cooled to 30 °c and a small amount of precipitate is observed. This solution is __________.a. hydrated b. saturated c. unsaturated d. supersaturated e. placated

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elenacorsan93

Answer:

d. supersaturated

Explanation:

A supersaturated solution is when there's more solute than the maximum amount of that can be dissolved at a given temperature. When changing the physical conditions (cooling in this case) it can form crystals and precipitate.

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