The equilibrium constant, K, for the reaction shown below has a value 1.8 x 105. In this reaction which is the strongest acid and which is the strongest base?
CH3CO2H(aq) + H2O (l) --->H3O+(aq) + CH3CO2-(aq)
H3O+ and H2O
H3O+ and CH3CO2
CH3CO2H and H2O
CH3CO2H and CH3CO2