Consider a 5.430-g mixture of FeO and Fe3O

[textbooks]

Consider a 5.430-g mixture of FeO and Fe3O4. You react this mixture with excess of oxygen to form 5.779g Fe2O3. Calculate the percent by mass of FeO in the original mixture.

 

[cdotter]

You can start by writing a balanced chemical equation for the reaction.

 

[sjb-2812]

You can start by writing a balanced chemical equation for the reaction.

Writing one for the reactions, might be better :)

 

[Borek]

Writing TWO for reactions will be even better.

--