Aspirin can be synthesized in the lab by combining salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to form aspirin (C9H8O4) and acetic acid (C2H4O2). The balanced equation for this reaction is:

C7H6O3+C4H6O3C9H8O4+C2H4O2

A student started with 4.12 mL acetic anhydride (density=1.08 g/mL) and 1.68 g salicylic acid. The student synthesized 1.81 g of aspirin.

Select the limiting reactant.

acetic acid (C2H4O2)

acetic anhydride (C4H6O3)

aspirin (C9H8O4)

salicylic acid (C7H6O3)

Calculate the theoretical yield of aspirin (C9H8O4).

theoretical yield: _____ g

Calculate the percent yield for aspirin (C9H8O4).

percent yield: _____ %