A 12 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 27.6 g. What was the mass of iron in the sample of ore?

Question

A 12 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 27.6 g. What was the mass of iron in the sample of ore?
Answer in units of g

DrBob222 · Answer

Check your numbers. Something is wrong with the problem.

Gabriella · Answer

actually they aren't this is the question exactly as i got it off my worksheet.