Question: A buffer contains 0.15 mol of propionic acid (C2H5COOH) and 0.10 mol of sodium propionate (C2H5COONa) in 1.20 L. (a) What is the pH of

A buffer contains 0.15 mol of propionic acid (C2H5COOH) and 0.10 mol of sodium propionate (C2H5COONa) in 1.20 L.
(a) What is the pH of this buffer?
(b) What is the pH of the buffer after the addition of 0.01 mol of NaOH?
(c) What is the pH of the buffer after the addition of 0.01 mol of HI?

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