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Acetic acid has Ka = 1.8 × 10-5 while formic acid has Ka = 2.1 × 10-4. What would be the magnitude of the emf of the cell
PtH20.1 M acetic acid + 0.1 M sodium acetate 0.1 M formic acid 0.1 M sodium formatePtH2 at 25°C ?
(A) 0.0315 volt
(B) 0.0629 volt
(C) 0.0455 volt
(D) 0.0545 volt