5. The following questions involve titrations of dimethylamine, (CH₂)2NH, a weak base, Kb = 2.2 x 104, with nitric acid, HNO3, a strong acid. A) Given the concentration of the acid and base are both 0.1M and 500 mL of dimethylamine is in the flask and nitric acid is in the burette, sketch the titration curve to a final volume of 1000 mL. Identify and label: the initial pH (+/-1) the final pH (+/-1) . . . . the equivalence point at an appropriate pH (+/- 1) and volume (+/- 100 mL) the buffer region at the appropriate pH (+/- 1) and volume (+/- 100 mL)

5. The following questions involve titrations of dimethylamine, (CH₂)2NH, a weak base, Kb = 2.2 x 104, with nitric acid, HNO3, a strong acid. A) Given the concentration of the acid and base are both 0.1M and 500 mL of dimethylamine is in the flask and nitric acid is in the burette, sketch the titration curve to a final volume of 1000 mL. Identify and label: the initial pH (+/-1) the final pH (+/-1) . . . . the equivalence point at an appropriate pH (+/- 1) and volume (+/- 100 mL) the buffer region at the appropriate pH (+/- 1) and volume (+/- 100 mL)

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter4: Reactions In Aqueous Solution

Section: Chapter Questions

Problem 75QAP: A student is given 0.930 g of an unknown acid, which can be either oxalic acid, H2C2O4, or citric...

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