Consider a 5.430-g mixture of FeO and Fe3O

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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.
 

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  • #2
cdotter
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You can start by writing a balanced chemical equation for the reaction.
 
  • #3
sjb-2812
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You can start by writing a balanced chemical equation for the reaction.

Writing one for the reactions, might be better :)
 
  • #4
Borek
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Writing TWO for reactions will be even better.

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