chemistry
posted by kellie .
I posted this question last night but did not get an answer I am posting again because I have an exam I am studying for and do not understand this concept! Thanks!
Using the given data, and the table of Standard Reduction Potentials, find the standard reduction potential for this half reaction:
8H^+ + BaCrO4(s) + 3e > Ba^2+ + Cr^3+ + 4H2O(l)
given:
Ksp (BaCrO4)=2.1E10
DeltaGf* (kJ/mol): CrO4^2 (727.75), Cr2O7^2 (1301.1), H+ (0), H2O(l) (237.19)
Please help! =
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