Friday
December 19, 2014

Homework Help: Chemistry

Posted by Francis on Thursday, August 22, 2013 at 10:30pm.

A sample of iron weighing 15.0 g was heated with potassium chlorate (KClO3) in an evacuated container. The oxygen generated from the decomposition of KClO3 converted some of the Fe to Fe2O3. If the combined mass of Fe and Fe2O3 was 17.9g,calculate the mass of Fe2O3 formed and the mass of KClO3 decomposed.

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