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Suppose you have an organic sample X that is somewhat soluble in water, even though it...

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Chemistry

Suppose you have an organic sample X that issomewhat soluble in water, even though it is

somewhat more soluble in dichloromethane or ether solvents. Butif you do a single

extraction, you get only 60% of your material to transfer fromthe water to the organic layer.

a) How many “washes” would it take to extract over 90% of yourorganic material from

the water layer?

b) In this case, would it be better to extract withdichloromethane or with ether?

Assume you changed the solvent to ethyl acetate which has aKD for caffeine of 10. How much caffeine would youextract after three extractions? Show your work.

Answer & Explanation Solved by verified expert
4.2 Ratings (728 Votes)
Extraction of a sample X with an organic solvent is 60 Therefore it would take at least three washes with an organic solvent to extract over 90 of the organic compound Calculation First time    See Answer
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