Salicylic acid, used in the synthesis of as- pirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical for- mula of the

Salicylic acid, used in the synthesis of as- pirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical for- mula of the compound? 1. C7 H3 O4 2. C7 H6 O3 3. C6 H7 O3 4. C7 H7 O3 5. C8 H5 O2 6. C5 H5 O3 6. C4 H6 As2