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August 29, 2015

Homework Help: 11th grade

Posted by Anonymous on Wednesday, September 15, 2010 at 8:58pm.

A 36.5 g 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 10 grams. What was
the percent iron in the sample of ore?

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