Consider a galvanic cell at standard conditions based on the
Consider a galvanic cell at standard conditions based on the following half reactions:
Au3+ + 3e- → Au ϐo = 1.50 V
Fe3+ + e- → Fe2+ ϐo = 0.77 V
When enough NaCl(s) is added to the compartment containing gold to make the [Cl2] = 0.10 M, the cell potential is observed to be 0.31 V. Assume that Au3+ is reduced, and assume that the reaction in the compartment containing gold is Au3+(aq) + 4Cl2(aq) ⇌ AuCl4–(aq) Calculate the value of K for this reaction at 25oC.
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