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September 19, 2014

Homework Help: Chemisrty

Posted by Stoichiometry on Wednesday, August 31, 2011 at 11:33am.

A 38 g sample of iron ore is treated as follows.
The iron in the sample is all converted by
a series of chemical reactions to Fe2O3. The
mass of Fe2O3 is measured to be 11.1 g. What
was the mass of iron in the sample of ore?
Answer in units of g

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