Calculate and K for each reaction.a. The reaction of

Chapter 18, Problem 120E

(choose chapter or problem)

Calculate  and K for each reaction.

a. The reaction of Cr2+(aq) with Cr2O72-(aq) in acid solution to form Cr3+(aq).

b. The reaction of Cr3+(aq) and Cr(s) to form Cr2+(aq). [The electrode potential of Cr2+(aq) to Cr(s) is -0.91 V. ]

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