A Voltaic Cell Consists of an Au/Au³⁺ Electrode (E° =

question 70

Multiple Choice

A voltaic cell consists of an Au/Au³⁺ electrode (E° = 1.50 V) and a Cu/Cu²⁺ electrode (E° = 0.34 V) . Calculate [Au³⁺] if [Cu²⁺] = 1.20 M and E_cell = 1.13 V at 25°C.

• A)0.001 M
• B)0.002 M
• C)0.01 M
• D)0.02 M
• E)0.04 M

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