a) To make an acid solution, 6.8 x 10-3 mole of a strong acid (6.8 x 10-3 mole H3O+) is
dissolved in water to give a 550 mL solution. What is the pH and [OH-] of the solution?
b) 150 mL of water is added to 50 mL of the solution produced in question 3. Calculate the
new pH of the solution.