For each of the following solutions, state whether the solution is saturated, unsaturated or supersaturated in the following conditions:

A) at 30o C, 70 g of KNO3 is dissolved in 100 g of water ________________________________

B) at 20 oC 0 g of KClO3 is dissolved in 100 g water________________________________

C) at 100 oC , 30 g of NaNO3 is dissolved in 100 g of water_____________________________

D) 50 g of NH4Cl at 70o C is dissolved in 100 g water. ________________________________