A buffer contains 0.16 mol of propionic acid (C2H5COOH) and 0.13 mol of sodium propionate (C2H5COONa) in 1.20 L.
Part A: What is the pH of this buffer?
Part B: What is the pH of the buffer after the addition of 0.02 mol of NaOH?
Part C: What is the pH of the buffer after the addition of 0.02 mol of HI?