News Chemical and Physical Properties of Water California will phase out perchloroethylene dry-cleaning solvent: Perchloroethylene, C2Cl4, will be completely phased out by 2023. http://www.recordnet.com/apps/pbcs.dll/article?AID=/20070127/A_NEWS/701270327 http://www.signonsandiego.com/news/state/20070125-1915-ca-drycleaners-optional.html More info: http://www.cbc.ca/consumer/story/2007/01/26/perc-california.html Links Online Stoichiometry Review by Carnegie Mellon Do it now! Math Review Texas A&M Measurements & Sig. Figs. Bellevue Community College General Chemistry Online by Fred Senese General Chemistry I by Michael Blaber General Chemistry II by Michael Blaber Wolfram Science World
