Calculate the cell potential of a Daniell cell having \( 1.0 \mathrm{M} \mathrm{Zn}{ }^{2+} \) a...
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Calculate the cell potential of a Daniell cell having \( 1.0 \mathrm{M} \mathrm{Zn}{ }^{2+} \) and originally having \( 1.0 \mathrm{M} \mathrm{Cu}^{2+} \) after sufficient \( \mathrm{NH}_{3} \) has been added to the cathode compartment to make the \( \mathrm{NH}_{3} \) concentration \( 2.0 \mathrm{~mol} \mathrm{~L}^{-1} \) (given that \( E_{\mathrm{Zn}}^{\circ}{ }^{2+} \mid \mathrm{Zn}^{2}=-0.76 \mathrm{~V}, E_{\mathrm{Cu}^{2+}}^{\circ} \mathrm{Cu}=+0.34 \mathrm{~V} \), and \( K_{\text {forward }} \) for \( \mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}^{2+} \) is \( \left.1.0 \times 10^{12} \mathrm{~mol}^{-4} \mathrm{~L}^{4}\right) \)
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