A 17.2 g sample of potassium chlorate is dissolved in 250 g of water at 65 °C.The solution is cooled to 30.0 °C and no precipitate is observed.This solution is ________.
A)hydrated
B)miscible
C)saturated
D)unsaturated
E)supersaturated

Question

Quizplus · Accepted Answer

When a solution is unsaturated, it means that it can dissolve more solute at the given temperature. In this case, no precipitate is observed after cooling the solution, which indicates that all of the potassium chlorate remained dissolved. Therefore, the solution is unsaturated.

A 172 G Sample of Potassium Chlorate Is Dissolved in 250