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简答题 有下列电池,写出各电池的电极反应和电池反应: (1)Pt│H2(p)│H+(a1)‖Ag+(a2)│Ag(s) (2)Ag(s)│AgI(s)│I-((a1)‖Cl-(a2)│AgCl(s)│Ag(s) (3)Pt│H2(p)│NaOH(a1)‖HgO(s)│Hg(l) (4)Pt│Fe3+(a1),Fe2+(a2)‖Ag+(a3)│Ag(s)
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