Question

What is the molar ratio [salt]/[acid] required for the preparation of acetic acid buffer with pH=5? Express your result as mole % of salt if pK_a of acetic acid is 4.76! a. 71% b. 64% c. 58% d. 27% e. 50%

          What is the molar ratio [salt]/[acid] required for the preparation of acetic acid buffer with pH=5? Express your result as mole % of salt if pK_a of acetic acid is 4.76!
a. 71%
b. 64%
c. 58%
d. 27%
e. 50%

What is the molar ratio [salt]/[acid] required for the preparation of acetic acid buffer with pH=5? Express your result as mole % of salt if pKa of acetic acid is 4.76!
a. 71%
b. 64%
c. 58%
d. 27%
e. 50%

Added by Nicole H.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Ronald Prasad

05/12/2022

Step 1

A buffer solution is a mixture of a weak acid and its conjugate base (or a weak base and its conjugate acid) that resists changes in pH. The Henderson-Hasselbalch equation for a weak acid and its conjugate base is given by: \[ \text{pH} = \text{pKa} + \log \left( Show more…

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What is the molar ratio [salt]/[acid] required for the preparation of acetic acid buffer with pH 5? Express your result as mole % of salt if pKa of acetic acid is 4.76!

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