20. Pt(s) | H2(g) | H+(aq) || Ag+(aq) | Ag(s) 整個電化學反應方程式為?
(A)H2(g) + 2Ag+(aq) → 2H+(aq) + 2Ag(s)
(B)2H+(aq) + 2Ag+ (aq) → H2(g) + 2Ag(s)
(C)H2(g) + 2Ag(s) → H+(aq) + 2Ag+(aq)
(D)2H+(aq) + 2Ag(s) → H2(g) + 2Ag+(aq)

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統計： A(13), B(1), C(1), D(1), E(0) #2327213