試題詳解

30. A galvanic cell is constructed with copper electrodes and in each compartment. In one compartment, , and in the other compartment, . Calculate the potential for this cell at 25  ℃. The standard reduction potential for is +0.34 V.
(A) 0.43 V
(B) -0.43 V
(C) 0.092 V
(D) -0.092 V
(E) 0.77 V