Why an electrochemical cell consists of a standard hydrogen


An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. T = 25.0 C The copper electrode is placed in a Cu2+ solution of unknown concentration. The cell potential is measured to be 0.216V

Calculate [Cu2+].It is not 1.12e-4 or 2.5e-4 or .73

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Chemistry: Why an electrochemical cell consists of a standard hydrogen
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