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In an Electrolytic cell, a current of 0.250 amps is passed through a solution of a chloride of iron, producing

In an Electrolytic cell, a current of 0.250 amps is passed through a solution of a chloride of iron, producing Fe and Cl2.

When the cell operates for 2.00 hours, 0.521g of iron is deposited at one electrode. Determine the formula of the chloride of iron in the original solution.

I’ve been tryin to do this problem for almost 2 hours now. can someone help clarify things for me please! thanks