Given CH₃CO₂H(aq) → H⁺ (aq) CH3CO2–(aq) at 25°C, Ka = 1.83 x 10⁻⁵. What is ∆G at 25°C for a solution in which the initial concentrations are:

[CH₃CO₂H]O = 0.10 M [H⁺]O = 4.5 x 10⁻⁸ M [CH₃CO₂⁻]0 = 0.010 M