A chemist titrates 60.0 mL of a 0.6500 M hydrobromic acid (HBr) solution with 0.8245 M KOH solution at 25 °C. Calculate the pH at equivalence. 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 KOH solution added. pH =

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 60.0 mL of a 0.6500 M hydrobromic acid (HBr) solution with 0.8245 M KOH solution at 25 °C. Calculate the pH at equivalence.
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 KOH solution added.
pH =
Transcribed Image Text:A chemist titrates 60.0 mL of a 0.6500 M hydrobromic acid (HBr) solution with 0.8245 M KOH solution at 25 °C. Calculate the pH at equivalence. 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 KOH solution added. pH =
An analytical chemist is titrating 204.7 mL of a 0.7700M solution of methylamine (CH₂NH₂) with a 0.2500M solution of HNO3. The pK, of methylamine is
3.36. Calculate the pH of the base solution after the chemist has added 99.1 mL of the HNO, solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO, solution added.
Round your answer to 2 decimal places.
pH = 0
X
S
Transcribed Image Text:An analytical chemist is titrating 204.7 mL of a 0.7700M solution of methylamine (CH₂NH₂) with a 0.2500M solution of HNO3. The pK, of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 99.1 mL of the HNO, solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO, solution added. Round your answer to 2 decimal places. pH = 0 X S
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