Calculate the pH of a buffer made from mixing 10.0 mL of 0.100M NaC2H3O2 and 10.0 mL of 0.100M Hc2H3O2.
a) Calculate the pH of the buffer when 5.00 mL of a 0.0100M HaOH is added.
b) Calculate the pH of the buffer when 5.00 mL of a 0.0100M HCl is added.