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Chemistry
Bryanna Glenn
22 March, 21:03
How many moles of O2 react with 5.75 moles of Fe?
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Michaela
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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