A scientist wants to prepare 500 ml of 500 mM formate buffer pH 3.00. The pKa for formic acid, нсоон, is 3.75. d. What mass (in grams) of sodium formate (molar mass = 68 g/mol) is needed to separate the said buffer? Report the answer in 2 decimal places. (Show complete solution) e. What volume (in milliliters) of formic acid (molar mass = 46 g/mol; density = 1.22 g/mL) is needed to %3D prepare the said buffer? Report the answer in 2 decimals places. (Show complete solution)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 116QRT: You want to prepare a pH 4.50 buffer using sodium acetate and glacial acetic acid. You have on hand...
icon
Related questions
Question
A scientist wants to prepare 500 ml of 500 mM formate buffer pH 3.00. The pKa for formic acid,
нсоон, is 3.75.
d. What mass (in grams) of sodium formate (molar mass = 68 g/mol) is needed to separate the said
buffer? Report the answer in 2 decimal places. (Show complete solution)
e. What volume (in milliliters) of formic acid (molar mass = 46 g/mol; density = 1.22 g/mL) is needed to
%3D
prepare the said buffer? Report the answer in 2 decimals places. (Show complete solution)
Transcribed Image Text:A scientist wants to prepare 500 ml of 500 mM formate buffer pH 3.00. The pKa for formic acid, нсоон, is 3.75. d. What mass (in grams) of sodium formate (molar mass = 68 g/mol) is needed to separate the said buffer? Report the answer in 2 decimal places. (Show complete solution) e. What volume (in milliliters) of formic acid (molar mass = 46 g/mol; density = 1.22 g/mL) is needed to %3D prepare the said buffer? Report the answer in 2 decimals places. (Show complete solution)
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Acid-Base Titrations
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: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
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: 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
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 & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning