A chemist has dissolved a certain substance in water. The chemist knows that more of the substance could be dissolved into the water before it stops dissolving. Therefore, the current solution is

A solution that can still dissolve more solute is unsaturated. A saturated solution has dissolved as much as it can under those conditions, while a supersaturated solution contains more dissolved solute than it would normally hold. Therefore, the solution is unsaturated.

AI-written and checked against the verified answer.