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May 30, 2015

Homework Help: ap chemistry

Posted by cheri on Monday, September 10, 2012 at 9:44pm.

A 25.2 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 12 grams. What was
the percent iron in the sample of ore?
Answer in units of %

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