3KOH(aq) + H3PO4(aq) --> K3PO4(aq) + 3H2O(l)
25.00cm3 of a phosphoric acid solution required 27.55cm3 of a 0.155 M potassium hydroxide solution for neutralization. What is the molarity of the acid?
Ca(OH)2(aq) + 2HCl(aq) --> CaCl2(aq) + 2H2O(l)
25.00cm3 of a 0.0525 M calcium hydroxide solution is titrated with 0.111 M hydrochloric acid solution. What volume of acid is needed for complete neutralization?