ou have been asked to prepare 250.0 mL of a buffer solution with a pH of 8.88 at room temperature. ou have been provided with two solutions, aqueous ammonium chloride (0.113 M, pK,(ammonium) 9.25) and aqueous ammonia (0.206 M). i. What will the molar ratio of conjugate acid : conjugate base (i.e. nbase /nacid ) need to be in order to give a buffer with a pH of 8.88? (give your answer to 3 decimal places) | Nbase /nacid = ii. What will the volume ratio of conjugate acid : conjugate base (i.e. Viase /Vacid ) need to be in order to give a buffer with a pH of 8.88? (give your answer to 3 decimal places) Voase /Vacid = iii. What volume of the 0.113 M ammonium chloride solution will be needed? (give your answer to 1 decimal place) mL What volume of the 0.206 M ammonia solution will be needed? (give your answer to 1 decimat place) ml

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 4RQ: A good buffer generally contains relatively equal concentrations of weak acid and conjugate base. If...
icon
Related questions
icon
Concept explainers
Question
3
(ou have been asked to prepare 250.0 ml of a buffer solution with a pH of 8.88 at room temperature.
You have been provided with two solutions, aqueous ammonium chloride (0.113 M, pK.(ammonium) 9.25) and aqueous ammonia (0.206 M).
i. What will the molar ratio of conjugate acid : conjugate base (i.e. nbase /nactd ) need to be in order to give a buffer with a pH of 8.88? (give your answer to 3 decimal places) |
Nbase/nacid =
ii. What will the volume ratio of conjugate acid : conjugate base (i.e. Viase /Vacid ) need to be in order to give a buffer with a pH of 8.88? (give your answer to 3 decimal places)
Voase / Vacid =
ii. What volume of the 0.113 M ammonium chloride solution will be needed? (give your answer to 1 decimal place)
Iml
What volume of the 0.206 M ammonia solution will be needed? (give your answer to 1 decimal place)
ml
Transcribed Image Text:(ou have been asked to prepare 250.0 ml of a buffer solution with a pH of 8.88 at room temperature. You have been provided with two solutions, aqueous ammonium chloride (0.113 M, pK.(ammonium) 9.25) and aqueous ammonia (0.206 M). i. What will the molar ratio of conjugate acid : conjugate base (i.e. nbase /nactd ) need to be in order to give a buffer with a pH of 8.88? (give your answer to 3 decimal places) | Nbase/nacid = ii. What will the volume ratio of conjugate acid : conjugate base (i.e. Viase /Vacid ) need to be in order to give a buffer with a pH of 8.88? (give your answer to 3 decimal places) Voase / Vacid = ii. What volume of the 0.113 M ammonium chloride solution will be needed? (give your answer to 1 decimal place) Iml What volume of the 0.206 M ammonia solution will be needed? (give your answer to 1 decimal place) ml
Expert Solution
steps

Step by step

Solved in 4 steps with 1 images

Blurred answer
Knowledge Booster
Ionic Equilibrium
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
Publisher:
Cengage Learning
General Chemistry - Standalone book (MindTap Cour…
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
Principles of Modern Chemistry
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning