Copper sulphate has 5 molecules of water of crystallization but it appears as perfectly dry.why ?

Copper sulphate has 5 molecules of water of crystallization but it app

1.	Copper sulphate has 5 molecules of water of crystallization but it appears as perfectly dry.why ?
Answer» Copper sulphate crystals which seem to be dry contain water of crystallization. When we heat the crystals, this water is removed and the salt turns white. ... Five water molecules are present in one formula unit of copper sulphate.