What is the pH of a 0.025 M pyridine solution? (K_b value for pyridine =1.7 *10^-9)

Name: What is the pH of a 0.025 M pyridine solution? (K b value for pyridine =1.7 *10 -9 )
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Quizplus · Accepted Answer

Pyridine is a weak base with a $K_b$ value of $1.7 \times 10^{-9}$. The pH of a solution can be found using the formula $pH = 14 - pOH$, where $pOH = -\log(\sqrt{K_b \times [base]})$. Plugging in the values, we find that the pH is closest to 8.81, indicating that option C is correct.

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