The student adds 6 m nh3 to cuso4 solution until the cu 2, Ask an Expert

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The student adds 6 M NH3 to CuSO4 solution until the Cu 2+ ion is essentially all converted to Cu(NH3)4 2+ ion. The voltage of the cell goes up to 0.92 V and the Cu electrode is still negative. Find the residual concentration of Cu 2+ ion in the cell.

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