A Voltaic Cell Is Constructed with Two Zn²⁺-Zn Electrodes, Where

question 90

Multiple Choice

A voltaic cell is constructed with two Zn²⁺-Zn electrodes, where the half-reaction is Zn²⁺ + 2e^- → Zn (s) E° = -0.763 V
The concentrations of zinc ion in the two compartments are 5.50 mol L^-1 and 1.11 × 10^-2 mol L^-1, respectively. The cell emf is ________ V.

• A)-1.54 × 10^-3
• B)-378
• C)0.0798
• D)0.160
• E)-0.761

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