Homework Help: chemistry

Posted by C on Friday, December 21, 2012 at 9:07am.

Shown below is a schematic representation of the water-ethanol phase diagram.

Making reference to the phase diagram, explain in a few sentences how one could enrich a solution of 15 percent ethanol - 85 percent water to a composition of 60 percent ethanol - 40 percent water. Be qualitative in your description, not quantitative.

Furthermore, explain why this procedure could not be used to reach a completely pure composition of 100 percent ethanol.

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