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22 April, 10:05

How many moles of alumminum os needed to react woth 6.34 moles of fe3o4 in thereaction below? 8al + 3fe3o4_ 4al2o3 + 9 fe

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  1. 22 April, 10:22
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    The moles of Al that is needed to react with 6.34 moles of Fe3O4 is 16.9 moles

    Explanation

    8 Al + 3Fe3O4 → 4 Al2O3 + 9Fe

    use of mole ratio of Al: fe3O4 to calculate the moles of Al

    The mole ratio of Fe3O4 : Al is 8:3 therefore the moles of Al =

    6.34 moles x8/3 = 16.9 moles
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