What is the standard electrode potential for a voltaic cell constructed in the appropriate way from these two half-cells?
Standard Reduction Potentials E°
Cr 3+ (aq) + 3e– → Cr(s) – 0.74 V
Co 2+ (aq) + 2e– → Co(s) – 0.28 V
A) – 1.02 V
B) 0.46 V
C) 0.64 V
D) 1.02 V
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