Solubility Worksheet With Answers Page 2

7) Which one of the following vitamins is water soluble?

A) A

B) B

C) K

D) D

E) E

8) 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 30.0 °C and no precipitate is

observed. This solution is __________.

A) placated

B) hydrated

C) saturated

D) supersaturated

E) unsaturated

9) A sample of potassium chlorate (15.0 g) is dissolved in 201 g of water at 70 °C, with precautions

taken to avoid evaporation of any water. The solution is cooled to 30.0 °C and no precipitate is

observed. This solution is __________.

A) saturated

B) supersaturated

C) miscible

D) hydrated

E) unsaturated

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