Using the table of the weak base below, you have chosen Methylamine as your weak base in the buffer solution. You have already added enough of the conjugate acid salt to make the buffer solution concentration at 0.48 M in this salt. The desired pH of the buffer should be equal to 9.75. Values of K, for Some Common Weak Bases Conjugate Acid Name Formula Kb Ammonia NH3 NH4+ 1.8 x 10-5 CH;NH,* 4.38 x 10-4 Methylamine CHẠNH, Ethylamine C₂H5NH₂ C₂H5NH3+ 5.6 x 10-4 Aniline CH;NH, CH;NH;* 3.8 x 10-10 Pyridine C5H5N CH;NH* 1.7 x 10-⁹ 1. Compute the poH of the buffer solution. (answer in 2 decimal places)

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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
icon
Concept explainers
Question
100%
Using the table of the weak base below, you have chosen Methylamine as your weak base in the buffer solution. You have already added enough of the
conjugate acid salt to make the buffer solution concentration at 0.48 M in this salt. The desired pH of the buffer should be equal to 9.75.
Values of K, for Some Common Weak Bases
Conjugate
Acid
Name
Formula
Kb
NH4+
1.8 x 10-5
Ammonia
Methylamine
NH3
CH;NH,
CH3NH3 +
4.38 x 10-4
C₂H5NH₂
C₂H5NH3 +
5.6 x 10-4
Ethylamine
Aniline
CH;NH,
C6H5NH3 +
3.8 x 10-10
Pyridine
C,H,N
CşH;NH+
1.7 x 10-⁹
1. Compute the poH of the buffer solution. (answer in 2 decimal places)
Transcribed Image Text:Using the table of the weak base below, you have chosen Methylamine as your weak base in the buffer solution. You have already added enough of the conjugate acid salt to make the buffer solution concentration at 0.48 M in this salt. The desired pH of the buffer should be equal to 9.75. Values of K, for Some Common Weak Bases Conjugate Acid Name Formula Kb NH4+ 1.8 x 10-5 Ammonia Methylamine NH3 CH;NH, CH3NH3 + 4.38 x 10-4 C₂H5NH₂ C₂H5NH3 + 5.6 x 10-4 Ethylamine Aniline CH;NH, C6H5NH3 + 3.8 x 10-10 Pyridine C,H,N CşH;NH+ 1.7 x 10-⁹ 1. Compute the poH of the buffer solution. (answer in 2 decimal places)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

What is the pKb?

Solution
Bartleby Expert
SEE SOLUTION
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
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY