PLEASE HELP I WILL GIVE BRAINLIEST In the compound iron (III) oxide, also known as rust, the mass ratio of iron to oxygen is 7.0:3.0. A 33-g sample of a compound composed of iron and oxygen contains 10. g of oxygen. Is the sample iron (III) oxide? Explain your answer. (Hint: Turn the whole number ratios into unit ratios.) Show your work.
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In the compound iron (III) oxide, also known as rust, the mass...
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