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A 44.39 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 63.46 g. Determine the empirical formula of the metal oxide. Enter the elements in the order Fe, O empirical formula =
1. A 11.56 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 14.87 g. Determine the empirical formula of the metal oxide. What is the empirical formula? Enter the elements in the order Fe, O.
2. A 22.39 gram sample of cobalt is heated in the presence of excess iodine. A metal iodide is formed with a mass of 118.8 g. Determine the empirical formula of the metal iodide. What is the empirical formula? Enter the elements in the order Co, I.