Question: Given the formation constants Fe3+ + Y4- FeY- Kf = 1.3 1025 Fe3+ + Y4- FeY2- Kf = 2.1 1014 Calculate

Given the formation constants
Fe3+ + Y4- ⇆ FeY- Kf = 1.3 × 1025
Fe3+ + Y4- ⇆ FeY2- Kf = 2.1 × 1014
Calculate E0 for the process
FeY- + e- ⇆ FeY2-

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