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July 4, 2015

Homework Help: organic chemistry

Posted by jayesh on Wednesday, November 3, 2010 at 11:38pm.

chloroform is an excellent solvent for extraction caffeine from water. Kd = 10 for caffeine in chloroform- water at 25 Celsius. what weight of caffeine would be removed from a solution of 4g caffeine in 100ml water by a single extraction of 100 ml of chloroform?
for the situation in the uestion above, what total weight of caffeine could be rmoved by two extractions using 50 ml of chloroform each time?

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