According to Arrhenius concept, an acid is defined as a substance which when dissolved in water gives H+ and a base is defined as a substance which when dissolved in water give OH‾ ions. Greater the number of H+ ions produced in the aqueous solution, the stronger is the acid. Greater the number of OH‾ ions produced in the aqueous solution, the stronger is the base. As … [Read more...] about Strengths of Acids And Bases