February 27, 2017

Homework Help: CHEMISTRY

Posted by Gabby on Sunday, September 9, 2012 at 10:13pm.

In a chemically active extraction, a three-component mixture of acetylsalicylic acid, acetaminophen, and caffeine in ethyl acetate solution is separated into its individual components first by extraction with a pH 8 buffer solution, then a subsequent extraction with dilute potassium hydroxide solution. Match the statement to the component in the mixture. Not all statements will be used.

acetylsalicylic acid or caffeine or acetaminophen


1) this molecule is least acidic
2)this molecule is most acidic
3) this molecule is recovered by rotary evaporation
4) this molecule is extracted from ethyl acetate by 1 M HCl solution
5) this molecule remains in ethyl acetate solution throughout the extractions
6)this molecule is extracted from ethyl acetate by a pH 8 phosphate buffer
7)this molecule is extracted from ethyl acetate by 1 M KOH solution

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