A) Calculate the pH of 0.500L of a buffer solution composed of 0.20 M butyric acid (CH3(CH2)2)2COOH, Ka = 0.000015) and 0.10 M sodium butyrate, (NaCH3(CH2)2COO).
B) What is the pH of the buffer solution mentioned in part A AFTER 10.0 mL of 1.0 M HCl solution has been added to it?