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Ag+ + e- ? Ag(s) E° = 0.80 V
Cu2+ + 2e- ? Cu(s) E° = 0.34 V
In a galvanic cell, the silver compartment contains a silver electrode and excess AgCl(s) (Ksp = 1.6 × 10-10). The copper compartment contains a copper electrode, and [Cu2+] = 2.0 M.
A. Calculate the potential for this cell at 25°C.
B. Assuming 1.0 L of 2.0 M Cu2+ in the copper compartment, calculate how many moles of NH3 would have to be added to establish the cell potential at 0.52 V at 25°C (assume no volume change on addition of NH3).
Cu2+ + 4NH3 Cu(NH3)4S1U112+ Kf = 1.0 ×1013
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