An analytical chemist is titrating 190.6 mL of a 0.3000M solution of methylamine (CH3NH₂) with a 0.8400M solution of HIO3. The pK, of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 80.2 mL of the HIO3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HIO3 solution added. Round your answer to 2 decimal places.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 55P
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An analytical chemist is titrating 190.6 mL of a 0.3000M solution of methylamine (CH3NH₂) with a 0.8400M solution of HIO3. The pK² of methylamine is
3.36. Calculate the pH of the base solution after the chemist has added 80.2 mL of the HIO3 solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HIO3 solution added.
Round your answer to 2 decimal places.
Transcribed Image Text:b An analytical chemist is titrating 190.6 mL of a 0.3000M solution of methylamine (CH3NH₂) with a 0.8400M solution of HIO3. The pK² of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 80.2 mL of the HIO3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HIO3 solution added. Round your answer to 2 decimal places.
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