Question

Compare a saturated and an unsaturated solution.

Identify each of the following as a saturated solution or an unsaturated solution.

1. A sugar cube dissolves when added to a cup of coffee.

2. A KCl crystal added to a KCl solution does not change its size.

3. Upon heating, all the sugar dissolves.

4. A layer of sugar forms in the bottom of a glass of iced tea.

Answer 1

A saturated solution means we can nomore dissolve any solute into it, leaving undissolved substances at bottom. And unsaturated solutions means we can dissolve more solutes into it.

1. A sugar cube dissolves when added to a cup of coffee

-It is an unsaturated solution, because we can add more.

2. A KCl crystal added to a KCl solution does not change it's size.

-It is a saturated solution,because we cannot add anymore solutes to it.

3. Upon heating all the sugar dissolves.

-It is unsaturated solution,we can add more solutes to it.

4. A layer of sugar forms in the bottom of a glass of iced tea

-It is saturated solution, because we cannot add more solutes to it.