Question: Codeine, C18H21NO3, is an alkaloid (Kb = 6.2 10-9) used as a painkiller and cough suppressant. A solution of codeine is acidified with hydrochloric

Codeine, C18H21NO3, is an alkaloid (Kb = 6.2 × 10-9) used as a painkiller and cough suppressant. A solution of codeine is acidified with hydrochloric acid to pH 4.60. What is the ratio of the concentration of the conjugate acid of codeine to that of the base codeine?

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