Problem: Codeine C18H21NO3 is a weak organic base. A 5.0 x 10-3 M solution of codeine has a pH of 9.95. Calculate the value of Kb for this substance. What is the pKb for this base?

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Codeine C18H21NO3 is a weak organic base. A 5.0 x 10-3 M solution of codeine has a pH of 9.95. Calculate the value of Kb for this substance. What is the pKb for this base?

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Based on our data, we think this problem is relevant for Professor Dixon's class at UCF.