A 50ml aliquot of a 0.1 M solution of a neutral drug was extracted with 2 x 5 ml ethyl acetate. The drug concentration in the combined organic layers was found to be 0.36 M. Calculate the partition coefficient for this drug under these conditions.

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter23: Potentiometry
Section: Chapter Questions
Problem 23.11QAP
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Chemistry

A 50ml aliquot of a 0.1 M solution of a neutral drug was extracted with 2 x 5 ml ethyl acetate. The drug concentration in the combined organic layers was found to be 0.36 M.

Calculate the partition coefficient for this drug under these conditions. 

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