Explanation:
When the number of atoms on both reactant and product side are equal the this chemical equation is known as balanced chemical equation.
For example, [tex]NH_{4}OH + AlCl_{3} \rightarrow Al(OH)_{3} + NH_{4}Cl[/tex]
Number of atoms on reactant side are as follows.
Number of atoms on product side are as follows.
Therefore, to balance this chemical equation we multiply [tex]NH_{4}OH[/tex] by 3 on reactant side and multiply [tex]NH_{4}Cl[/tex] by 3 on product side.
Hence, the balanced chemical reaction equation is as follows.
[tex]3NH_{4}OH + AlCl_{3} \rightarrow Al(OH)_{3} + 3NH_{4}Cl[/tex]
