### What Is The Percent By Mass Of Iron In Fe2o3 Inboz.Net

Jul 11, 2010 · How do i calculate the mass percent of iron for the iron ores Fe2O3, Fe3O4, and FeCO3? Iron is mined from the earth as iron ore. Common How do I find the percentage of iron in an iron ore sample, given the following data? The mass of ore is given, but the mass of iron isn't: your target is g Fe. Molecular weight of Fe2O3.