Exhibit 3-3 0

Exhibit 3-3 0.75 moles of aluminum metal (Al) and 0.50 moles of chlorine gas (Cl₂) are allowed to react as shown in the reaction below:
2 Al (s) + 3 Cl₂ (g) →2 AlCl₃ (s)
Refer to Exhibit 3-3. How many moles of the excess reagent remains at the end of the reaction?

A) 0.25 moles
B) 0.33 moles
C) 0.42 moles
D) 0.50 moles
E) 0.75 moles