Saturday, March 12, 2011
CHEMISTRY QUESTION HELP!!!!?
A 1.47 gram sample of a calcium chloride hydrate compound (CaCl 2 � zH2O) is heated until all the water is driven off. The sample of the anhydride compound that is left has a mass of 1.11 grams. What percentage of the calcium chloride hydrate compound is water? What is the value of z?
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