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A 250.0 mL solution contains two weak bases, pyridine (Kb = 1.7 x 10^-9) and caffeine...

A 250.0 mL solution contains two weak bases, pyridine (Kb = 1.7 x 10^-9) and caffeine (Kb = 4.1 x 10^-4). This solution contains 1.00 x 10^-3 mol of each of the bases. What's the pH of this solution?

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n we have mixture of weak bases then pH will be detinca by that weak base which is stronger than the other from the given two

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