What is meant by water of crystallization? how many water molecules are present in hydrated copper sulphate? write its formula. What colour changr do you observe when it is heated?
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Water of crystallization is the fixed number of water molecules present in one formula unit of salt.
(i) Five molecules of water.
(ii) Formula CuSO4.5H2O
(iii) When heated, its colour changes from blue to white.
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