Homework Answers
In order to get Copper to act as an anode --> Ecopper < Emetal
Cu2+ + 2 e− ⇌ Cu(s) +0.337
Au3+ + 3 e− ⇌ Au(s) +1.52
E° = Ered - Eox = 1.52 - 0.337 = 1.183 V
as required, copper will act as the anode, gold as the cathode
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