December 1, 2015

Homework Help: chemistry

Posted by cam on Monday, December 27, 2010 at 11:39am.

A sample of a hydrate of CuSO4 with a mass of 250 grams was heated until all the water was removed. The sample was then weighed and found to have a mass of 160 grams. What is the formula for the hydrate?

CuSO4 * 10 H2O
CuSO4 * 7 H2O
CuSO4 * 5 H2O
CuSO4 * 2 H2O
CuSO4 * H2O

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