The chemical equation of this reaction is: Fe + 2HCl -> FeCl2 + H2.
You can see that for 1mol of Fe you get 1mol of FeCl2. So you need 4mol of Fe to make 4mol of FeCl2.
Answer:
Option A
Explanation:
Emma creates a pressure difference allowing the fluid to flow
B: The sulfuric acid is not consumed or react with the reactant.
C. homogeneous mixture
alright that sounds like a recipe i gota try