It is desired to prepare 200 mL of a buffer solution of Ph 4.5 from acetic acid, CH3COOH and its salt, sodium acetate, CH3COONa. For CH3COOH, pKa = 4.74. Calculate: a. the volumes of 0.20 M CH3COOH and 0.25 M CH3COONa b. the mass of CH3COONa that must be added to 200 mL of 0.20 M CH3COOH Note: Provide solution
It is desired to prepare 200 mL of a buffer solution of Ph 4.5 from acetic acid, CH3COOH and its salt, sodium acetate, CH3COONa. For CH3COOH, pKa = 4.74. Calculate: a. the volumes of 0.20 M CH3COOH and 0.25 M CH3COONa b. the mass of CH3COONa that must be added to 200 mL of 0.20 M CH3COOH Note: Provide solution
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 71QAP: The species called glacial acetic acid is 98% acetic acid by mass (d=1.0542g/mL). What volume of...
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It is desired to prepare 200 mL of a buffer solution of Ph 4.5 from acetic acid, CH3COOH and its salt, sodium acetate, CH3COONa. For CH3COOH, pKa = 4.74.
Calculate:
a. the volumes of 0.20 M CH3COOH and 0.25 M CH3COONa
b. the mass of CH3COONa that must be added to 200 mL of 0.20 M CH3COOH
Note: Provide solution
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