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November 24, 2014

Homework Help: AP Chemistry

Posted by Gabriella on Friday, August 30, 2013 at 7:31pm.

An ore contains Fe3O4 and no other iron. The iron in a 36.5-gram sample of the ore is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 26 g. What was the mass of Fe3O4 in the sample of ore?
Answer in units of g

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