Chapter 3, Problem 132CP

You take 1.00 g of an aspirin tablet (a compound consistingsolely of carbon, hydrogen, and oxygen), burn itin air, and collect 2.20 g ${\text{CO}}_{\text{2}}$ and 0.400 g ${\text{H}}_{\text{2}}\text{O}$ . Youknow that the molar mass of aspirin is between 170 and190 g/mol. Reacting 1 mole of salicylic acid with 1 moleof acetic anhydride ${\text{(C}}_{\text{4}}{\text{H}}_{\text{6}}{\text{O}}_{\text{3}}\text{)}$ gives you 1 mole of aspirinand 1 mole of acetic acid ${\text{(C}}_{\text{2}}{\text{H}}_{\text{4}}{\text{O}}_{\text{2}}\text{)}$ . Use this informationto determine the molecular formula of salicylic acid.