4. How many mL of 2.0M boric acid solution must be added to 600ML of a 0.01M sodium borate in order for the pH to be 9.45? pk of H,BO, = 9.24

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
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 16PS: A buffer solution is composed of 1.360 g of KH2PO4 and 5.677 g of Na2HPO4. (a) What is the pH of the...
icon
Related questions
icon
Concept explainers
Question
pls answer number 4
II. Solve the following problems:
1. What is the ionic strength of a solution composed of 0.M NaCl and 0.2M
Na,SO,?
2. A carbonate buffer of pH 10 is needed by a chemist. How many grams of
Na,CO, is needed to dissolve in 1.5L of 0.2M NaHCO, to make the buffer? K.
-11
of HCO,
= 4.7 x 10"
3. What weight of Na,HPO, and H,PO, would be required to prepare 200mL of
a buffer solution of pH 7.40 that has an ionic strength of 0.2? pk = 7.12
4. How many mL of 2.0M boric acid solution must be added to 600mL of a
0.01M sodium borate in order for the pH to be 9.45? pk of H,BO, = 9.24
Transcribed Image Text:II. Solve the following problems: 1. What is the ionic strength of a solution composed of 0.M NaCl and 0.2M Na,SO,? 2. A carbonate buffer of pH 10 is needed by a chemist. How many grams of Na,CO, is needed to dissolve in 1.5L of 0.2M NaHCO, to make the buffer? K. -11 of HCO, = 4.7 x 10" 3. What weight of Na,HPO, and H,PO, would be required to prepare 200mL of a buffer solution of pH 7.40 that has an ionic strength of 0.2? pk = 7.12 4. How many mL of 2.0M boric acid solution must be added to 600mL of a 0.01M sodium borate in order for the pH to be 9.45? pk of H,BO, = 9.24
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 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
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
Chemistry
ISBN:
9781285640686
Author:
Skoog
Publisher:
Cengage
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
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