The discussion revolves around a chemical reaction involving a 5.430-g mixture of FeO and Fe3O4, which is reacted with excess oxygen to produce 5.779 g of Fe2O3. Participants are exploring how to calculate the percent by mass of FeO in the original mixture, focusing on the necessary chemical equations for the reactions involved.
Participants generally agree on the necessity of writing balanced chemical equations, but there is no consensus on the specific approach or the number of equations needed.
cdotter said:You can start by writing a balanced chemical equation for the reaction.