posted by Emma .
Is the decomposition equation for copper sulphate hydrate (CuSO4.5H2O) as follows:
CuSO4.5H2O ---> CuSO4+5H2O is correct if the heating is somewhat gentle. The solid product, anhydrous CuSO4 is white.
If you heat the hydrate too strongly, you will end up with black CuO.