Question

Ascorbate and Cu ions have the following electrochemical potentials; Dehydroascorbate + 2H+ + 2e- --> Ascorbate...

Ascorbate and Cu ions have the following electrochemical potentials;

Dehydroascorbate + 2H+ + 2e- --> Ascorbate Eo' = +0.08V

Cu2+ + e- --> Cu+   Eo' = 0.159 V

10 mL of a 0.02M solution of ascorbate in a buffered solution at pH 7.0; 25 degrees Celsius is mixed with 10mL of 0.02 M of Cu2+.

Write a balanced chemical equation for the reaction, and figure out the equilibrium concentration of dehydroascorbate, ascorbate, Cu2+, and Cu+.

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