Aspirin Is Produced by the Reaction of Salicylic Acid (M $\ell$

Multiple Choice

Aspirin is produced by the reaction of salicylic acid (M = 138.1 g/mol) and acetic anhydride (M = 102.1 g/mol) .
C₇H₆O₃(s) + C₄H₆O₃( $\ell$ ) ? C₉H₈O₄(s) + C₂H₄O₂( $\ell$ )
If 2.04 g of C₉H₈O₄ (M = 180.2 g/mol) is produced from the reaction of 3.03 g C₇H₆O₃ and 4.01 g C₄H₆O₃, what is the percent yield?

A) 28.8%
B) 29.0%
C) 50.9%
D) 51.6%
E) 67.3%