What is the mass percent composition of iron for each of these iron ores:?
Fe2O3 (hematite), Fe3O4 (magnetite), and FeCo3 (siderite)
Answer:
mass % mass Fe / total mass compound mass 1 mole Fe 55.85g find the mass of Fe2O3, Fe3O4, FeCO3 divide mass Fe by molar mass of each compound x 100%, this is mass %