Homework Help: chem

Posted by minerva on Saturday, December 23, 2006 at 1:23am.

trighloroethane is a slvent used to remove grease from clothings. how, after use, is the solvent separated form the grease?
a, chromatography
b, crystallisation
c, distillation
d, filtration

c. TCE (thrichloroethane) is very volatile. It evaporates and leaves the grease behind. The TCE solvent vapor is collected and recondensed. That is called distillation.

thanks

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