Question

what is chemical equation why it is necessary to balance an equation

Answer 1

chemical equation is the representation of chemical reaction using symbols and valency.
it is required to balance an chemical equation because the number of reactants should be equal to number of products according to the law of mass of conservation.

Answer 2

Answer:

Explanation:

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.