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Calcualte the EMF of the cell at 298K ...

Calcualte the EMF of the cell at 298K
`Pt|H_(2)(1atm) | NaOH(xM),`
`NaCl(xM) | AgCl(s) | Ag`
`E_(Cl^(-)|AgCl|Ag)^(@)` = +0.222V

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