The equation is given by:
\[
\text{pH} = \text{pKa} + \log\left(\frac{[\text{A}^-]}{[\text{HA}]}\right)
\]
where:
- \([\text{A}^-]\) is the concentration of the conjugate base (potassium acetate, \(KCH_3CO_2\)),
- \([\text{HA}]\) is the concentration of the weak
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