The Standard Cell Potential (E°)of a Voltaic Cell Constructed Using

question 89

Multiple Choice

The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn (s) + 2H⁺ (aq) → Zn²⁺ (aq) + H₂ (g)
With P_H2 = 1.0 atm and [Zn²⁺] = 1.0 M, the cell potential is 0.53 V. The concentration of H⁺ in the cathode compartment is ________ M.

• A)1.3 × 10^-4
• B)1.7 × 10^-8
• C)1.1 × 10^-2
• D)7.7 × 10³
• E)1.3 × 10^-11

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