The percent by mass of oxygen in Fe2O3 is 30 %.
You need 150,41 g oxygen.
The oxide Fe2O3 has 3 oxygen atoms in the molecule.
No. Oxygen is required for the rusting process to occur. Rust, by definition, is iron OXIDE, or Fe2O3, so oxygen must come from somewhere.
Fe2O3 contains the elements Iron and Oxygen. It would have 2 Iron and 3 oxygen.
iron and oxygen
Iron and oxygen.
Iron and Oxygen. Fe2O3 is an oxide of iron.