A solution in which more solute may be dissolved at a given temperature is called an unsaturated solution.

Here's why:

* Saturated solution: This is a solution where the maximum amount of solute has dissolved at a specific temperature. Any more solute added will simply sit at the bottom, undissolved.

* Unsaturated solution: This is a solution where the amount of dissolved solute is less than the maximum solubility at that temperature. Therefore, more solute can be added and dissolved.

* Supersaturated solution: This is an unstable solution that contains more solute than it can normally hold at a given temperature. It's created by carefully dissolving more solute than normal, often with heating, and then slowly cooling. Any disturbance or introduction of a seed crystal can cause the excess solute to precipitate out.

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