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Q.

Total number of species present in 1 mole of potash alum in terms of Avogadro number, 'N' are

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a

32N

b

8N

c

3N

d

5N

answer is D.

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Detailed Solution

Potash alum

$Formula = K_{2} {SO}_{4} {Al}_{2} {({SO}_{4})}_{3} 24 H_{2} O$

$2 K^{+} + {SO}_{4}^{- 2} + 2 {Al}^{+ 3} + 3 {SO}_{4}^{- 2} + 24 H_{2} O = 32 particles$

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