Question

What is a balancedd chemical equation and why should a equation be balanced?

Answer 1

a balanced chemical equation means the no of moles on the reactant side must be equal to the no of moles on the product side 

an equation should be balanced because we know that matter is either created nor destroyed  

Answer 2

A balanced chemical equation has an equal number of atoms of different elements in the reactants and products .

The chemical equations should be

balanced to satisfy the law of

conservation of mass .