An analytical chemist is titrating 127.4 mL of a 0.1500M solution of methylamine (CH3NH₂) with a 0.5400 M solution of HNO3. The pK, of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 39.0 mL of the HNO3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added. Round your answer to 2 decimal places. W pH =

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Chapter15: Acid–base Equilibria
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An analytical chemist is titrating 127.4 mL of a 0.1500M solution of methylamine (CH₂NH₂) with a 0.5400 M solution of HNO3. The pK, of methylamine is
3.36. Calculate the pH of the base solution after the chemist has added 39.0 mL of the HNO3 solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added.
Round your answer to 2 decimal places.
pH =
Transcribed Image Text:An analytical chemist is titrating 127.4 mL of a 0.1500M solution of methylamine (CH₂NH₂) with a 0.5400 M solution of HNO3. The pK, of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 39.0 mL of the HNO3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added. Round your answer to 2 decimal places. pH =
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