A Voltaic Cell Is Constructed with Two -Zn Electrodes

question 95

Multiple Choice

A voltaic cell is constructed with two -Zn electrodes, where the half-reaction is + → Zn (s) E° = -0.763 V The concentrations of zinc ion in the two compartments are 1.17 × mol L^-1 and 8.70 × mol L^-1, respectively. The cell emf is ________ V.

• A) 0.170
• B) -0.678
• C) -0.0850
• D) 515
• E) 0.0850

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