Question

why should a chemical equation be balanced??

Answer 1

there's a need to balance a chemical to satisfy the law of conservation of mass which states that mass can neither be created nor destroyed

Answer 2

heya..

here is you answer..

All the equations must be balanced.

Because atoms are neither created nor destroyed in a chemical reaction that means the total number of atoms of different elements of the reactants side must be equal to the product side.

It may help you..☺☺