Rank the acids in order of increasing pK,
3. (3 marks) Caffeine, the stimulant in coffee and tea, is a weak base that ionizes in water
according to the equation:
CH19N, O2(aq) + H2O(l) – HC H1N, 0+ (aq) + OH- (aq)
A 0.15 M solution of caffeine at 25°C has a pH of 8.45. Determine the Kb of caffeine.
Answers: 1
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Rank the acids in order of increasing pK,
3. (3 marks) Caffeine, the stimulant in coffee and tea, i...
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