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July 30, 2015

Homework Help: chem

Posted by Anonymous on Sunday, December 5, 2010 at 3:14pm.

Extraction of caffeine:

You had extracted 2 g of crude caffeine and you were in a hurry. Instead of doing the 6 successive extractions with 2ml portions of methylene chloride, you only did 2 successive extractions with 6 ml portions of solvent. Now, calculate the total mass of pure caffeine recovered in these 2 operations.

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