What nonsense did you believe in as a kid?Ever thought that you could get flushed down the loo? That girls wee out their bottoms? Or that bumming means two men rubbing their bums together? Tell us about your childhood misconceptions. Thanks to Joefish for the suggestion.
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rob, Wed 18 Jan 2012, 15:21)
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And done.So, if I've understood this properly, you can have ethanol with no water, but not pure ethanol, as it will contain trace elements of the substance you used to separate the water, usually benzene. Also, your ethanol will absorb water, because ethanol really likes water, and visa versa.
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The Awful Puppy Bakery is still bored, Sun 22 Jan 2012, 20:08,
1 reply)
Yes, it forms an azeotropic mixture with water.The highest-purity pharmaceutical grade alcohol we use for mouthwash is about 96% w/w.
If you wanted alcohol much purer than that you'd probably have to use a hygroscopic solid like calcium chloride to absorb the remaining water and have it mixed and filtered in a rigorously dry atmosphere.
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The Mock TurtIe ™ --- Thinks you are a cunt, on, Sun 22 Jan 2012, 22:22,
closed)
Actuallythey use a reactive metal like sodium and re-distill it to get to 99.9%.
(, Sun 22 Jan 2012, 22:53, closed)
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