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What Is the PH of a 0

Question 139

Multiple Choice

What is the pH of a 0.30 M pyridine solution that has Kb = 1.9 × 10-9? The equation for the dissociation of pyridine is
C5H5N(aq) + H2O(l) ⇌ C5H5NH+(aq) + OH-(aq) .


A) 4) 62
B) 8) 72
C) 9) 38
D) 10.38

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