Determine the empirical formula of an oxide
- determine the empirical formula of an oxide of iron which has 69.9 of iron
- determine the empirical formula of an oxide of nitrogen containing 70 of oxygen
- determine the empirical formula of an oxide of iron which has 69.9 iron
- determine the empirical formula of an oxide of iron which has 69.9 iron and 30.1
- determine the empirical formula of an oxide of iron
