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by Anonymous on December 2nd, 2007

Anonymous

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In terms of the reaction Fe3O4 + 4CO... How many moles of Fe are produced from 5 moles of CO. Please show the steps used to solve...

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  • by Jeztyr - whispering in the ears of kings on January 8th, 2008

    Jeztyr - whispering in the ears of kings

    Let's see. I'm guessing the reaction goes to completion, and the full reaction is:

    Fe3O4 + 4CO --> 3Fe + 4CO2

    Which would constitute a reduction of Iron Oxide into metal Iron. Looking at the mole ratios we have:

    1 : 4 : 3: 4

    thus if we say: there are 3 moles of Fe for every 4 moles of CO, then for 5 moles of CO, how many moles of Fe do we get? Or mathematically:

    4/3 = 5/x

    Rearranging and solving for x yields:

    x = 5 * (3 /4)
    x = 5 * .75
    x = 3.75

    thus for 5 mole of CO we should expect 3.75 mole of Fe (Assuming the reaction was complete)

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