What Is the PH of a 1

question 101

Multiple Choice

What is the pH of a 1.2 M pyridine solution that has K_b = 1.9 × 10^-9? The equation for the dissociation of pyridine is
C₅H₅N(aq) + H₂O(l) ⇌ C₅H₅NH⁺(aq) + OH^-(aq) .

• A) 4.32
• B) 8.72
• C) 9.68
• D) 10.68

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