The solubility of a substance is 36 g per 100 mL of water at room temperature. A solution is prepared by dissolving 42 g in 100 mL of water at 80 ∘∘C. The solution is then cooled slowly to room temperature without any solid precipitating. The solution is
Group of answer choices
unsaturated at room temp.
supersaturated at room temp.
supersaturated at 80 ∘∘C