Question

From the following balanced equation, 2 Al (s) + 3 Cl₂ (g) → 2 AlCl₃ (s), how many moles of Cl₂ are required to form 3.55 mol AlCl₃?
a) 2.13 mol
b) 5.32 mol
c) 3.55 mol
d) 1.77 mol