Answer:
1.67 mol
Explanation:
Data given
Amount of aluminum (Al) = To be find
Amount of FeO = 2.5 mol
Solution:
First we have to write the balanced reaction of aluminum (Al) with FeO
2Al + 3FeO ---------> Al₂O₃ + 3Fe
From the reaction we can predict the reacted amount of aluminium (Al) with FeO as shown below:
3FeO + 2Al ---------> Al₂O₃ + 3Fe
3 mol 2 mol
So 3 mole of FeO react with 2 mole of Al
Now to find moles of aluminium that react completely with 2.5 mol of FeO
we have to apply unity formula
if 3 mole of FeO ≅ 2 mole of Al
then 2.5 mole of FeO ≅ x mole of Al
By doing cross multiplication
mole of Al = 2 x 2.5 / 3
mole of Al = 1.67 mol
