(05.07 MC)

The following reaction shows the products when sulfuric acid and aluminum hydroxide react.

2Al(OH)3 + 3H2SO4 → Al2(SO4)3 + 6H2O

The table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory.

Initial Mass and Yield
Sulfuric Acid Aluminum Hydroxide
Initial Amount of Reactant 40 g 45 g
Theoretical Yield of Water from Reactant 14.69 g 31.15 g

What is the approximate amount of the leftover reactant? (4 points)

20.89 g of sulfuric acid

22.44 g of sulfuric acid

21.22 g of aluminum hydroxide

23.78 g of aluminum hydroxide