Calculate the mass percent composition of iron for each iron ore: Fe2O3Fe2O3 (hematite), Fe3O4Fe3O4 (magnetite), FeCO3FeCO3 (siderite). Express your answers using four significant figures. Enter your answers numerically separated by commas.   mass % of Fe in Fe2O3, Fe3O4, FeCO3 = ? %   Part B Which ore has the highest iron content? magnetite or siderite?

Question

Part A

Calculate the mass percent composition of iron for each iron ore: Fe2O3Fe2O3 (hematite), Fe3O4Fe3O4 (magnetite), FeCO3FeCO3 (siderite).
Express your answers using four significant figures. Enter your answers numerically separated by commas.
 
mass % of Fe in Fe2O3, Fe3O4, FeCO3 = ? %
 

Part B

Which ore has the highest iron content?
magnetite or siderite?

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