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If the standard electrode potential for a cell is 2 V at 300 K, the equilibrium constant (K) for the reaction Zn(s) + Cu 2+ (aq) Zn 2+ (aq) + Cu(s) At 300 K is approximately (R = 8JK –1 mol –1 , F = 96000 C mol –1 )

1. e 160
2. e –160
3. e –80
4. e 320

Correct answer: e 160

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