HELPPP 1. A solution containing 70 g of NaNO3 at 30 ° C (in 100 ml of H2O) is it saturated or insaturated

2. A solution containing 50 g of NH4CI at 50 ° C (in 100 ml of H2O) is is saturated or insaturated

3. A solution containing 10 g of KClO3 at 50 ° C (in 50 ml of H2O) is it saturated or insaturated

4. A solution containing 90 g of KI at 0 ° C (in 200 ml of H2O) is it saturated or insaturated