a) Calculate the pH of 100 mL of 0.200 M CH3COOH and 0.220 M CH3COONa buffer solution?
b) What will be the pH of the buffer when 0.00400 moles of HCl is added to the buffer solution?
c) What will be the pH of the buffer when 0.00400 moles of NaOH is added to the buffer solution?