To calculate the pH of the buffer solution made from sodium acetate and acetic acid, we can use the Henderson-Hasselbalch equation:
\[
\text{pH} = \text{pK}_a + \log\left(\frac{[\text{A}^-]}{[\text{HA}]}\right)
\]
where:
- \([\text{A}^-]\) is the concentration of
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