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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Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
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Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control?
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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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