Question

Write the water of crystallization in gypsum, Plaster of paris and Copper sulphate crystals​

Answer 1

Water of crystallization or the water of hydration is the water that occurs in the crystals. It is denoted as hydrated compound nH

2

O. For example, gypsum is a soft mass having the formula CaSO

4

.2H

2

O. On heating gypsum, plaster of paris is formed by losing the water of crystallization. Plaster of paris is a hard mass with the formula CaSO

4

.

2

1

H

2

O.

Answer 2

Explanation:

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Gypsum=2

plastered paris=1/2

Coppersuplhate=5

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