A 010 m fes04 aq solution is electrolyzed between a, Ask an Expert

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A 0.10 M FeS04 (aq) solution is electrolyzed between a magnesium cathode and a platinum anode with a current density of 1.50 mA cm-2.The hydrogen over potential is 0.60 V. What will be the concentration of Fe2+ions when evolution of H, just begins at the cathode? Assume all activity coefficients are unity.

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