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July 30, 2015

Homework Help: Chemistry

Posted by Sara on Tuesday, October 6, 2009 at 11:52pm.

two hydrates were weighed, heated to drive off waters of hydration, and then cooled. The residues were then rewieghed. Based on the follwing results, what are the formulas of the gydrates?

Compound. Initial mass. M after cooling
NiSO4*xH2O 2.08 1.22
CoCl*xH2O 1.62 .88

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