Question

Why do chemical equations need to be balanced?

Answer 1

Chemical equations are needed to be balanced as it obey's law of conservation of mass...

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Answer 2

$\huge{\underline{\bf{\red{Answer:-}}}}$

According to law of conservation of mass:- mass neither be created nor be destroyed in a chemical reaction. The total mass of the elements present in the products of a chemical reaction has to be equal to the total mass of the elements present in the reactants .

means :- The number of atoms of each element remains the same , before and after a chemical reaction.

we can balance a chemical reaction by

using hit and trial method.

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