What is the ph of a buffer solution

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Reference no: EM132788946

Question - This is a THREE part question. Answer in the box below and ensure that you clearly label each section.

A buffer system is designed using acetic acid, CH3COOH, and sodium acetate, NaCH3COO. The pKa of acetic acid is 4.74.

a) What is the pH of a buffer solution containing 0.14 M of CH3COOH and 0.18 M of NaCH3COO?

b) What is the pH of a buffer solution containing 0.11 M of CH3COOH and 0.04 M of NaCH3COO?

c) Which of the buffer systems from a) or b) above is better able to maintain a steady pH on the addition of small amounts of either a strong acid or a strong base? Explain.

Reference no: EM132788946

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