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14-05-2023
Chemistry

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When 50.0 g of Fe was burned in the presence of excess oxygen, 65.0 g of Fe2O3 (FW =159.7 g/mol) was produced according to the balanced reaction below. What was the percent yeild? 4 Fe (s) + 3 O2 (g) -> 2 FeO3 (s) Answer Choices: 76.9% 90.0% 69.9% 81.4%

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