What is the weight percent

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A mixture containing only al2o3 and fe2o3 weighs 2.019 grams. When heated under a stream of h2, al2o3 is unchanged but fe2)3 is converted into metallic fe plus vapor (h20). if the residue weighs 1.744, what is the weight percent of fe2o3 in the original mixture

Reference no: EM132614855

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