Pb(s)|PbSO4(s)|H2SO4(m?1.0molkg?1)|PbO2(s)|Pb(s)

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Pt|H2(p?)|H2SO4(0.01molkg?1)|O2(p?)|Pt

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Pb(s)|PbCl2(s)|HCl(0.01molkg?1)|H2(10kPa)|Pt(s)

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