Question

Why a Chemical equation need to be balanced ?

Answer 1

A chemical equation must be balanced to satisfy the law of conservation of mass which states that mass can neither be created nor be destroyed, OR, mass of the reactants is always equal to the mass of the products.

Answer 2

Answer:

An equation is balanced when the same number of each element is represented on the reactant and product sides. Equations must be balanced to accurately reflect the law of conservation of matter.

Explanation: