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Chemistry, 12.09.2019 21:30 dacanul100

Two iron oxide samples are given to you where one is red and the other is black. you perform a chemical analysis and you find that the red sample has a fe/o mass ratio of 2.327 and the black has a fe/o mass ratio of 3.491. you suspect the red sample is simple rust or fe2o3. what is the chemical formula for the black sample?

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