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Expert Answer
The correct equilibrium equation for the solubility equilibrium of La(IO3)3 would be B) La³?(aq) + 3IO??(aq) ? La(IO?)?(s)This equation represents the dissociation of La(IO?)?(s) into its constituent ions in water, and the equilibrium that is established when the rate of dissociation is balanced by the rate of reformation of the solid. The solubility product constant expression for this equilibrium is: Ksp = [La³?][IO??]³ where Ksp is the solubility product constant, and the square brackets denote molar concentrations of the species in equilibrium.