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A 250.0-mL buffer solution is 0.290 molL−1 in acetic acid and 0.290 molL−1 in sodium acetate. Ka(CH3COOH)=1.8×10−5 Part...

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Chemistry

A 250.0-mL buffer solution is 0.290 molL−1 in acetic acid and0.290 molL−1 in sodium acetate.
Ka(CH3COOH)=1.8×10−5

Part A

What is the initial pH of this solution?

Express your answer using two decimal places.

Part B

What is the pH after addition of 0.0150 mol of HCl?

Express your answer using two decimal places.

Part C

What is the pH after addition of 0.0150 mol of NaOH?

Express your answer using two decimal places.

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