Question

Why is there a "need" in balancing chemical equation

Answer 1

The chemical equation needs to be balanced so that it follows the law of conservation of mass. A balanced chemical equation occurs when the number of the different atoms of elements in the reactants side is equal to that of the products side. Balancing chemical equations is a process of trial and error.

Answer 2

Answer:

becuz....the law of conservation of mass...which says that

Explanation:

the element can not creat or not be destroyed