What is the pH of a 0.0250 M pyridine solution? (K_b = 1.5 × 10^{− 9})?

Name: What is the pH of a 0.0250 M pyridine solution? (K b = 1.5 × 10 − 9 )?
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Quizplus · Accepted Answer

Pyridine is a weak base, and its pH can be calculated using the formula for the base ionization constant (Kb). Given the Kb value (1.5 × 10^-9) and the concentration of pyridine (0.0250 M), we can calculate the pOH first and then convert it to pH. The calculation will show that the pH is closest to the value given in option A, 8.79.

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