Which reaction displays an example of an Arrhenius base? NaOH(s) mc005-1.jpg Na+(aq) + OH–(aq) HCl(g) + H2O(l) mc005-2.jpg H3O+(aq) + Cl–(aq) CH3COOH(aq) + H2O(l) mc005-3.jpg H3O+(aq) + CH3COO–(aq) NH3(aq) + HC2H3O2(aq) mc005-4.jpg NH4+(aq) + C2H3O2–(aq)