State the empirical formula of ethanoic acid.
- A$\text{CHO}$
- B$\text{CH}_2\text{O}$
- C$\text{C}_2\text{H}_2\text{O}$
- D$\text{C}_2\text{H}_4\text{O}_2$
Chemistry 0620 · IGCSE · Formulae, functional groups and terminology
State the empirical formula of ethanoic acid.