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The standard reduction potential of Cd^(2+)(aq) is -0.402V. A voltaic cell described by : Cd(s) + 2H^(+)(aq) rightarrow Cd^(2+)(aq) + H_(2)(aq) has [Cd^(2+)] = 0.900 m and a hydrogen pressure of 0.975 atm. Its cell potential at 25^(@)C is measured as E = +9.192V. Whatis the pH in the H^(+) | H-(2) half-cell? |
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Answer» 3.o28 |
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