Chemistry Practice Problems Weak Bases Practice Problems Solution: Codeine C18H21NO3 is a weak organic base. A 5.0 x ...

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Solution: 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?

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?