A number of metals form complex hydroxides, some of which are amphoteric, meaning that they react with both acids and bases. The standard reduction potential is -2.310 V for the following reaction:
Al(OH)₄⁻(aq) + 3e⁻ ⇌ Al(s) + 4OH⁻(aq)
Calculate the formation constant K for the reaction:
Al(s)³⁺ + 4OH⁻(aq) ⇌ Al(OH)₄⁻(s)