"Chemical Formula of Ethyl Ester"

Ethyl ester is a common substance in chemistry. What is its chemical formula? It is $C_ {4} H_ {8} O_ {2} $. In this formula, the ratio of the number of elements and atoms contained in it is expressed. Carbon (C) has four atoms, hydrogen (H) has eight atoms, and oxygen (O) has two atoms. From this formula, it can be known that the composition of its molecules is of great significance in the study and application of chemistry, in order to clarify its properties, system and use.