HA(aq) + OH(aq) - H,O(l) + A(aq) late the pKa value of the acid, and determine the number of moles of acid initially = initial amount: n the reaction is complete, what is the concentration ratio njugate base to acid? [A-] [HA] =

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 116SCQ: Two acids, each approximately 0.01 M in concentration, are titrated separately with a strong base....
icon
Related questions
Question
< Question 16 of 19 >
Strong base is dissolved in 615 mL of 0.200 M weak acid (Ka = 3.46 x 10-5) to make a buffer with a pH of 3.97. Assume that
the volume remains constant when the base is added.
HA(aq) + OH(aq) → H₂O(l) + A¯(aq)
Calculate the pKa value of the acid, and determine the number of moles of acid initially present.
pK₁ =
initial amount:
mol HA
When the reaction is complete, what is the concentration ratio
of conjugate base to acid?
[A-]
[HA]
How many moles of strong base were initially added?
amount added:
O
III
66°F
O
1)
mol OH
J
5:55 PM
6/2/2022
Transcribed Image Text:< Question 16 of 19 > Strong base is dissolved in 615 mL of 0.200 M weak acid (Ka = 3.46 x 10-5) to make a buffer with a pH of 3.97. Assume that the volume remains constant when the base is added. HA(aq) + OH(aq) → H₂O(l) + A¯(aq) Calculate the pKa value of the acid, and determine the number of moles of acid initially present. pK₁ = initial amount: mol HA When the reaction is complete, what is the concentration ratio of conjugate base to acid? [A-] [HA] How many moles of strong base were initially added? amount added: O III 66°F O 1) mol OH J 5:55 PM 6/2/2022
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Stoichiometry
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 & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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
Chemistry: Principles and Practice
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
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:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning