In the galvanic cell based on Zn(s) +2H+(1M) → Zn2+ (1M) + H2 (1atm), what is the cathode reaction?
A、Zn(s)-2e-→Zn(aq).;
B、2H+(aq)+2e-→H2(1atm).;
C、2H+(1M)→Zn2+(1M)+H2(1atm).;
D、--
发布时间：2025-12-21 16:22:02
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答案：Zn(s) - 2e- → Zn(aq).
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