A basic analyte, HB, has a basic dissociation constant of 1x10^-7, and a partition coefficient between water
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A basic analyte, HB, has a basic dissociation constant of 1x10^-7, and a partition coefficient between water and ethyl acetate of 7. a) Calculate the extraction efficiency when 25 mL of a solution is extracted 0.05 M aqueous HB buffered at pH 7 with 25 mL of ethyl acetate. b) Repeat the extraction by buffering the aqueous solution to pH 9. Indicate the efficiency. c) what conclusion do you come to?
Related Book For
Fundamentals of Analytical Chemistry
ISBN: 978-0495558286
9th edition
Authors: Douglas A. Skoog,Donald M. West, F. James Holler, Stanley R. Crouch
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