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2.60 g of a metal (M) were collected after passing a current of 5.00 A for a duration of 30 min through a solution of an M2 s
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Answer #1

M2+ + 2e-phpSAasfJ.png M

w = zIt

w = weight of the mass deposited = 2.6g

z = equivalent weight of the metal / 96500 = x/2

I = current= 5amp

t = time taken to deposit = 30*60

w = [x/ (2*96500)] * 5 * 30*60

w = 501800/9000 = 55.75

Hence the metal is iron

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