試題詳解

39. The reduction potential of the saturated calomel electrode is +0.242 V above the standard hydrogen electrode. The reduction potential of an electrode measured relative to a saturated calomel electrode is -0.694 V. What is the reduction potential of this same electrode relative to the standard hydrogen electrode?
(A) -0.936 V
(B) -0.452 V
(C) 0.242 V
(D) 0.452 V
(E) 0.936 V