Chemical Formula

 

• what is chemical formula definition

Is defined as “the formula which shows the total number of atoms in a compound is called chemical formula”. It tells what types of atoms forming the compound and how many atoms are present in a compound. Some examples are given in the table below.

Substance	Chemical formula
Water	H2O
Sulfuric acid	H2SO4
Ammonia	NH3

• How To Find Chemical Formula

To find the chemical formula of a compound, multiply the value of “n” with empirical formula of that compound.

Chemical formula = n ( empirical formula )

n = molecular formula weight / empirical formula weight

                     image: wikipedia