Suppose you have 4.0 moles of aqueous barium chloride, and you mix this with aluminum sulfate solution. How many moles of aluminum chloride can you produce?

Answer:
2.7
Explanation:
The equation of the reaction is
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
So, frok the coefficients of the equation, the answer is 2.7