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A What Is The Ph Of This Buffer?

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A buffer solution contains 0.10 mol of propionic acid (C2H5COOH, Ka = 1.3 X 10-5) and 0.13 mol of sodium

Question

A buffer solution contains 0.10 mol of propionic acid (C2H5COOH, Ka = 1.3 X 10-5) and 0.13 mol of sodium

propionate (C2H5COONa) in 1.50 L of aqueous solution. A. What is the pH of this buffer? B. What is the pH of the buffer after the addition of .010 mol of NaOH? C. What is the pH of the buffer after the addition of .010 mol of HCl?

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