What is the importance of chemical formula?
All of these
Chemical formula represents the chemical name of a compound. It shows the constituent element and the number of atoms of each element present in one molecule of the compound. It also represents the molecular mass of the compound. For example, H2O, the chemical name of the compound is dihydrogen monoxide, 2 atoms of hydrogen and 1 atom of oxygen forms this compound. The molecular mass is 18 (H = 1, O = 16).