2 H2?SO4?, heat resorcinol MW: 110.11g/mol phthalic anhydride fluorescein MW: 148.12g/mol MW: 332.31g/mol Suppose you reacted 0.15g of resorcinol with 0.12g of phthalic anhydride and isolated 0.17g of fluorescein. Which choice below correctly identifies the limiting reagent and percent yield for this reaction? You must show your work to receive full credit. a. resorcinol; 74% b. resorcinol; 63% c. phthalic anhydride; 74% d. phthalic anhydride; 63%