Homework Help: Chemistry

Posted by Jose-Ann on Wednesday, February 24, 2010 at 4:14pm.

An aqueous solution contains two solutes, A and B. A is soluble in hexane, B is not. Hexane is liquid at room temperature and does not mix with water. The density of hexane at room temperature is 0.7 gdm-3. Describe, giving full practical details, how you would produce a pure sample of solid A.

Chemistry - DrBob222, Wednesday, February 24, 2010 at 5:12pm
You need to read about extractions. Since A is soluble in hexane and B is not, you extract A with hexane (go through perhaps 2-3 extractions), then evaporate the hexane to provide pure solid A.
Chemistry - morgan, Wednesday, February 24, 2010 at 7:05pm
h2o+c5r
Chemistry - morgan, Wednesday, February 24, 2010 at 7:09pm
square root of 58*7=20.149441

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