Assume that [Cu^2+(aq)]0=[Zn^2+(aq)]0=0.10M and that both Cu^2+ and Zn^2+ form very stable complexes with ammonia (overall formation constants 10>10^10), each with a coordination number of 4.
A. Show how to estimate the ratio of the overall formation constant for [Zn(NH3)4]^2+ to the overall formation constant for [Cu(NH3)4]^2+ if the cell potential is observed to be 0.96 V after adding equal amounts (assume a large excess) of 6 M NH3 to each compartment (assume that T=298K).
B. Which of the two transition metal complexes is more thermodynamically stable? How much more stable is it than the other complex?
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