Homework Help: chemistry

Posted by Nick on Thursday, August 30, 2012 at 10:19pm.

A 28.6 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 10.1 grams. What
was the percent iron in the sample of ore?

chemistry - DrBob222, Thursday, August 30, 2012 at 11:57pm
Same song, fifth dance.

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