Cu2+(aq) + Zn(s) ---> Zn2+(aq) + Cu(s)
E°(cell) = E°(Cu) - E°(Zn)
E° = 0.339 - (-0.762) = 1.101 V
Reaction Quotient (Q) = [Zn2+] / [Cu2+] = 1.83/1.61 = 1.13665
Number of electrons transferred (n) = 2
Using Nernst equation at 25° C or 298K;
E = E° - (0.0592 * log Q)/n
E = 1.101 - (0.0592 * log (1.13665)) / 2
E = 1.099 OR
E = 1.09 V OR 1.10 ...Answer
Let me know if any doubts.
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