Test Academy | Determine the molecular formula of an oxide of iron in which the mass percent of iron and oxygen are 69.9 and 30.1 respectively. Given that the molar mass of the oxide is 159.69g mol- 1 Fe2O4, Fe3O6, Fe2O3, FeO

Question

Determine the molecular formula of an oxide of iron in which the mass percent of iron and oxygen are 69.9 and 30.1 respectively. Given that the molar mass of the oxide is 159.69g mol- 1

Options :

Fe2O4
Fe3O6
Fe2O3
FeO

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