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Chemistry, 31.01.2021 20:10, Blaise2653
A sample of black mineral hematite, an oxide of iron found in many iron ores, contains 34.97g of iron and 15.03g of oxygen. what is the empirical formula of hematite?
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A sample of black mineral hematite, an oxide of iron found in many iron ores, contains 34.97g of iro...
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