1.1 a) Butyric acid is to be extracted from 500 ml of an aqueous solution containing 4 g of butyric acid using ether as an extractant. The distribution coefficient of this system is 3 at 25 °C. In a minimum of ten points show that the butyric acid extracted in a single batch with 500 ml ether is less than that extracted in two batches of 250 ml portions. b) Briefly describe different strategies that can be used to obtain a chemical separation in a minimum of eight points. c) Briefly discuss ten reasons why chemical separations methods are used in analytical chemistry.

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
Chapter33: Automated Methods Of Analysis
Section: Chapter Questions
Problem 33.8QAP
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1.1
a) Butyric acid is to be extracted from 500 ml of an
aqueous solution containing 4 g of butyric acid
using ether as an extractant. The distribution
coefficient of this system is 3 at 25 °C. In a minimum
of ten points show that the butyric acid extracted in
a single batch with 500 ml ether is less than that
extracted in two batches of 250 ml portions.
b) Briefly describe different strategies that can be
used to obtain a chemical separation in a minimum
of eight points.
c) Briefly discuss
ten reasons why chemical
separations methods are used in analytical
chemistry.
Transcribed Image Text:1.1 a) Butyric acid is to be extracted from 500 ml of an aqueous solution containing 4 g of butyric acid using ether as an extractant. The distribution coefficient of this system is 3 at 25 °C. In a minimum of ten points show that the butyric acid extracted in a single batch with 500 ml ether is less than that extracted in two batches of 250 ml portions. b) Briefly describe different strategies that can be used to obtain a chemical separation in a minimum of eight points. c) Briefly discuss ten reasons why chemical separations methods are used in analytical chemistry.
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