Use the Standard Half-Cell Potentials Listed Below to Calculate the Standard

question 59

Multiple Choice

Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C. Cu(s) + Mg²⁺(aq) → Mg(s) + Cu²⁺(aq)
Mg²⁺(aq) + 2 e⁻ → Mg(s) E° = -2.38 V
Cu²⁺(aq) + 2 e⁻ → Cu(s) E° = +0.34 V

• A) +2.04 V
• B) -2.04 V
• C) +2.72 V
• D) -2.72 V
• E) -1.36 V

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