問(wèn)答題

根據(jù)以下兩個(gè)原電池求出胃液的pH: 
(1) (-) Pt|H2(pӨ)|胃液║KCl(0.1mol/L-1)| Hg2Cl2(s)|Hg(+)E1=0.423V 
(2) (-) Pt|H2(pӨ)|H+(cӨ)║KCl(0.1mol/L-1)| Hg2Cl2(s)|Hg(+)E1=0.334V


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