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Calculate the equilibrium constant, ?, for the reaction shown at 25 °C. Fe3+(aq)+B(s)+6H2O(l)⟶Fe(s)+H3BO3(s)+3H3O+(aq) The balanced reduction...

Calculate the equilibrium constant, ?, for the reaction shown at 25 °C.

Fe3+(aq)+B(s)+6H2O(l)⟶Fe(s)+H3BO3(s)+3H3O+(aq)

The balanced reduction half‑reactions for the equation and their respective standard reduction potential values (?∘) are

Fe3+(aq)+3e−⟶Fe(s) ?∘=−0.04V

H3BO3(s)+3H3O+(aq)+3e−⟶B(s)+6H2O(l) ?∘=−0.8698 V

K=

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