Note that the standard free energy change for the reaction is for the changes from the reactants in their standard states to the products in their standard states. The free energy change at equilibrium is zero since the chemical potentials of reactants and products are equal at equilibrium.
note that the standard free energy change for the reaction is for the changes from the reactants in their standard states to the products in their standard states the free energy change at equilibrium is zero since the chemical potentials of reactants and products are equal at equilibrium