Asked by Nick

An ore contains Fe3O4 and no other iron. The
iron in a 27.07 gram sample of the ore is all
converted by a series of chemical reactions to
Fe2O3. The mass of Fe2O3 is measured to be
21.9 grams. What was the percent Fe3O4 in
the sample of ore?

Answers

Answered by DrBob222
See your previous post.
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