A chemist titrates 250.0 mL of a 0.0555 M methylamine (CH3NH₂) solution with 0.1413 M HNO3 solution at 25 °C. Calculate the pH at equivalence. The pK₂ of methylamine is 3.36. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HNO3 solution added. pH = X ?

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
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A chemist titrates 250.0 mL of a 0.0555 M methylamine (CH3NH₂) solution with 0.1413 M HNO3 solution at 25 °C. Calculate the pH at equivalence. The pK₂
of methylamine is 3.36.
Round your answer to 2 decimal places.
Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HNO3 solution added.
pH =
X
?
Transcribed Image Text:A chemist titrates 250.0 mL of a 0.0555 M methylamine (CH3NH₂) solution with 0.1413 M HNO3 solution at 25 °C. Calculate the pH at equivalence. The pK₂ of methylamine is 3.36. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HNO3 solution added. pH = X ?
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