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Fe2O3 + CO −> Fe + CO2 How do you balance this equation?The numbers are subscripts

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paadms214 | Student, Grade 11

Posted November 23, 2011 at 5:12 AM via web

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Fe2O3 + CO −> Fe + CO2

How do you balance this equation?

The numbers are subscripts

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ndnordic | High School Teacher | (Level 2) Associate Educator

Posted November 23, 2011 at 6:20 AM (Answer #1)

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You have oxygen coming from two reactants but it is only in one product. So focus on the CO + CO2.  You have 3 oxygens in the iron oxide and one in the CO, but 2 in CO2 so you need a combination of oxygen in both reactants that results in an even number.

 

Fe2O3 + 3 CO --> 2 Fe + 3CO2

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Jyotsana | Student, Grade 10

Posted February 7, 2014 at 3:24 AM (Answer #2)

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Fe2O3+3CO=>2Fe+3CO2

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