#### Question

Calculate the percentage of water of crystallization in CuSO_{4}.5H_{2}O

(H = 1, O = 16, S = 32, Cu = 64)

#### Solution

Given :

Atomic mass of H 1

Atomic mass of O 16

Atomic mass of S 32

Atomic mass of Cu 64

Molar mass of CuSO4.5H_{2}O (64) + (32) + (9 x 16) + (10 x 1)

= 250

Molar mass of five water molecules (10 x 1) + (5 x 16)

= 90

Percentage of water of crystallization = `(90 xx 100)/250` = 36% water of crystallization.

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#### APPEARS IN

Solution Calculate the Percentage of Water of Crystallization in Cuso4.5h2o Concept: Mole Concept.