what is chemical eqn ?Why should the chemical eqn be balanced?
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To be useful, chemical equations must always be balanced. Balanced chemical equations have the same number and type of each atom on both sides of the equation. The coefficients in a balanced equation must be the simplest whole number ratio. Mass is always conserved in chemical reactions
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Representation of chemical reaction using symbols and formulae of the substances is called Chemical Equation.
According to the Law of Conservation of Mass, mass can neither be created nor destroyed in a chemical reaction. To obey this law, the total mass of elements present in reactants must be equal to the total mass of elements present in products. Therefore, chemical equations should be balanced.
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