Question

Write the name and formula of one salt each which contains[3]a) two molecules of water of crystalisationb) five molecules of water of crystalisationc) ten molecules of water of crystallisation

Answer 1

Water of crystallization is the fixed number of water molecules present in one formula unit of a salt. When we heat copper sulphate in china dish, the blue coloured crystals changes into a white powder due to the removal of 5 molecules of water of crystallization