When doing extractions, if you move something to the aqeous layer, can you just evaporate it away?

[letsgetstarted1234]

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http://puu.sh/p1DoU/e968cddfa0.png


Thats what AAMC says but i figured you would be left with the solute of the aqeous layer

 

[sapientnarwhal]

Simple explanation:

1) BP of organic phase is typically far lower than that of water.

2) Aqueous solvent-solute interactions complicate extractions and drying etc. e.g. azeotropes

3) search bar.

I am no ochem lab expert, nor does one need to be for the MCAT, but try referring to the EK lab techniques section, TBR ochem, and maybe KA.