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Estimate the cell potential of a Daniel cell having 1.0 M Zn^(2+) and originally having 1.0 M Cu^(2+) after sufficient ammonia has been added to the cathode compartment to make the NH_(3) concentration 2.0 M. Given, E_(Zn//Zn^(2+))^(@) and E_(Cu//Cu^(2+))^(@) are 0.76 and -0.34 V respectively. Also equilirbrium constant for the [Cu(NH_(3))_(4)]^(2+) formation is 1 xx 10^(12). |
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