88.5% is the correct answer according to my calculations.
FeO + Al -> AlO + Fe
As you can see, this type of reaction would lead to be a Single Placement (or Replacement) reaction!
Hope this helps! Best wishes!
<u>Answer:</u> The correct answer is Option b.
<u>Explanation:</u>
Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another. Every balanced chemical equation follows law of conservation of mass.
This also states that total number of atoms of each element on the reactant side must be equal to the total number of atoms of each element on product side.
From the above information, the correct answer is Option b.