Answer: 25 moles of product are formed.
Explanation:
The balanced chemical equation will be :
[tex]Fe_2O_3+3CO\rightarrow 2Fe+3CO_2[/tex]
According to stoichiometry :
1 mole of [tex]Fe_2)_3[/tex] require = 3 moles of [tex]CO[/tex]
Thus 5 moles of [tex]Fe_2O_3[/tex] will require=[tex]\frac{3}{1}\times 5=15moles[/tex] of [tex]CO[/tex]
Thus [tex]Fe_2O_3[/tex] is the limiting reagent as it limits the formation of product and [tex]CO[/tex] is the excess reagent.
As 4 moles of reactant give = 5 moles of product
Thus 20 moles of reactants will give =[tex]\frac{5}{4}\times 20=25moles[/tex] of products
