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A solution of Fe2(SO4)3 is electrolyzed for 'x' min with a current of 1.5 A to deposit 0.3482 g of Fe.

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A solution of Fe2(SO4)3 is electrolyzed for 'x' min with a current of 1.5 A to deposit 0.3482 g of Fe. The value of x is______. [nearest integer] 

Given : 1 F = 96500 C mol–1 

Atomic mass of Fe = 56 g mol–1

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Correct answer is 20

=  1800.06

Q = it

1800.06 = 1.5 t

t = 20 min

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