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A Zn-Cu cell has Zn2+ at 1 M and Cu2+ at 0.01 M. What is its emf at 298 K, with Eo = 1.1 V?
A1.159 V
B1.100 V
C1.041 V
D0.982 V
Answer & Solution
Correct answer: C. 1.041 V
E = 1.1 - (0.059/2) log(1/0.01) = 1.1 - 0.0295 x 2 = 1.041 V.
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