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Why should chemical equations be balanced?

Dear student,
 

We know that the law of conservation of mass states that mass can neither be created nor destroyed. Thus, in a chemical reaction, the total mass of the reactants should be equal to the total mass of the products. This means that the total number of atoms of each element should be equal on both sides of a chemical equation. Such an equation is called a balanced chemical equation, and the method by which it is obtained is called the balancing of chemical equations. Hence

An equation having an equal number of atoms of each element on both sides is called a balanced chemical equation. 


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According to the law of conservativation of mass states that matter be neither created nor destroyed so in chemical equation total mass of reactant must be equal to mass of products therefore we are balancing the chemical equation
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Hope above answer is helpful to you khushi
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Ans-
Chemical reaction is just a rearrangement of atoms. It can neither create nor destroyed during the course of a chemical reaction. Chemical equations must be balanced to satisfy the law of conservation of matter, that states that matter cannot be produced or destroyed in a closed system.
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