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) unsaturated
B) saturated
C) miscible
D) supersaturated
E) hydrated

Question

Quizplus · Accepted Answer

The solution is unsaturated because no precipitate forms when cooled, indicating that the solute is completely dissolved and the solution can still hold more solute at 30.0 °C.

A Sample of Potassium Chlorate (15