119. Solving a chemistry problem

119. Solving a chemistry problem

Write reaction equations for the following galvanic cells:
Pb(s) │PbSO4 (s)│ K2SO4(aq) │ HgSO4 (s)│Hg(l)
Pt(t) │ H2(g) │ HCl(aq)│Hg2Cl2 (t) │ Hg(l)│Pt(t)
Cu(t) │Zn(t) │ZnO(t) │NaOH(aq) │ HgO(t) │ Hg(l) │Pt(t) │ Cu(t)
Ag(t) │Sn(t) │SnCl(aq) │AgNO3(aq)│ Ag(t)

Additional information:

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