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22 March, 21:03

How many moles of O2 react with 5.75 moles of Fe?

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  1. 22 March, 21:37
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    4.3125 moles

    Explanation:

    The equation for the reaction between Fe and O₂ is given by;

    4Fe + 3O₂ → 2Fe₂O₃

    Therefore, 4 moles of Fe reacts with three moles of oxygen gas to form 2 moles of Fe₂O₃.

    Therefore;

    Mole ratio of Fe to O₂ is 4; 3 Moles of O₂ = Moles of Fe * 3/4 Thus, given the number of moles of iron, Fe as 5.75 moles; Moles of Oxygen gas = 5.75 moles * 3/4

    = 4.3125 moles

    Therefore, moles of oxygen gas that will react will 5.75 moles of Fe will be 4.3125 moles
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