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Find the empirical formula of a compound that contains 34.97 g of Fe and 15.03 g of O.​
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Find the empirical formula of a compound that contains 34.97 g of Fe and 15.03 g of O.​

User Aldehir
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A sample of the black mineral hematite (Figure 2), an oxide of iron found in many iron ores, contains 34.97 g of iron and 15.03 g of oxygen. What is the empirical formula of hematite? The empirical formula is Fe2O3.
User Jambriz
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