Question

why it is necessary to balance the chemical equation??
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Answer 1

Answer:

we need to balance a chemical equation because "law of conservation of mass" state that mass can neither be created nor destroyed in a chemical reaction. So number of elements involved in a chemical reaction should remain same at reactant and product side.

Answer 2

Answer:

balancing of chemical reaction is important because:

it provide us number of chemicals to be added

it prevent any chances of explosion.

according to law of conversation of energy