A galvanic cell is constructed with Ag/Ag+ as one electrode and fe2+/fe3+ as the second electrode.calculate the concentration of Ag+ions at which the emf of the cell will be zero at equimolar concentration of fe2+ and fe3+ ions.given E0Ag+/Ag =0.80 V , E0fe3+/fe2+ = 0.77 V?
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Cu(s) --------------------> Cu^2+ (aq) + 2e^- E0 =- 0.34v 2Fe^3+ (aq) + 2e^- -------------> 2Fe^2+ (aq)
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