Answered: calculate the extraction efficiency of…

calculate the extraction efficiency of a single extraction when 50.00 mL of a 0.025 M aqueous solution of glycolic acid buffered to a pH of 3.00, is extracted once with 50.00 mL of benzene.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter20: Molecular Spectroscopy And Photochemistry

Section: Chapter Questions

Problem 67CP

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Question

Glycolic acid is used in the textile industry as a dyeing and tanning agent. Given that its acid dissociation constant (K_a) is 1.47 × 10^-4 and its partition coefficient (K_D) between water and benzene is 3.22, calculate the extraction efficiency of a single extraction when 50.00 mL of a 0.025 M aqueous solution of glycolic acid buffered to a pH of 3.00, is extracted once with 50.00 mL of benzene.

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