Caffeine has a partition coefficient of 4.6 between methylene chloride and water

Question

Caffeine has a partition coefficient of 4.6 between methylene chloride and water. If 52 mg of caffeine are added to a conical vial containing 2mL of water and 2mL of methylene chloride, how much caffeine would be in each layer after the mixture had been mixed thoroughly? (show calculations)(image)

What should you do if there is a question about which layer is the organic one during an extraction procedure?

What characteristic adsorption bands would you expect to find the infrared spectrum of caffeine?

Explanation / Answer

http://www.chegg.com/homework-help/questions-and-answers/caffeine-distribution-coefficient-46-methylenechloride-water-52-mg-caffeine-added-aconical-q270295

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