How many molecules of water of crystallisation (per formula unit) are present in :
(a) copper sulphate crystals ?
(b) washing soda?
(c) gypsum ?


(a) 5 molecules of water of crystallisation (per formula unit) are present in copper sulphate crystals.

(b) 10 molecules of water of crystallisation (per formula unit) are present in washing soda.

(c) 2 molecules of water of crystallisation (per formula unit) are present in gypsum.

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Updated on: 10-Oct-2022

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