1. The solubility of CuSO at 20° C is 20 g/100 g H₂O. For each of the following solutions described answer if they will be saturated, unsaturated
or supersaturated:

a) 40 g of CuSO, and 150 g of H₂O
b) 30 g of CuSO, and 200 g of H₂O
c) 60 g of CuSO, and 300 g of H₂O