Aspirin is used as a mild pain killer. There are nine carbon atoms, eight hydrogen atoms and four oxygen atoms, in this compound. Write its empirical and molecular formulas.
Empirical formula of Aspirin is C9H8O4.
Molecular formula of Aspirin is also C9H8O4.
Because the compound has already in simplest whole number ratio of atoms. Therefore, empirical and molecular formula of these compounds is same.