Which of the following `0.1 M` solution will contain the largest concentration of hydronium ions?

How is pH scale related to concentration of Hydronium ions?

Which of the following solution contains approximately equal hydrogen ion concentration

Which of the following solution contains approximately equal hydrogen ion concentration

The aqueous solution of which of the following sulphides would contain maximum concentration of S_2–" ions–"

pK_a values for two acids, HA , and HB are 4 and 5 respectively.' If each of the acid solution has a concentration of 0.1(M), then in which solution the molar concentration of H_3O^+ ion is greater ?