Question

Why do we need
to balance a chemical equation?​

Answer 1

Answer:

A chemical equation must be balanced because the Law of Conservation of matter must be hold good during a chemical equation. Balancing of equation is necessary because atoms are neither created nor destroyed during a chemical equation.

Explanation:

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Answer 2

We need to balance a chemical equation,due to the law of "mass equilibrium."

According to this law,the mass value of the total reactants and the mass value of the total generated products are equal in terms of numerical value.

That's why we have to balance a chemical equation,to make both side of the equation similar to each other , according to the law of mass equipments.