Define a chemical equation? why should an equation be balance
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A chemical equation is used to show a chemical reaction which is taken place.On the left side of the reaction reactants are written and on the right side product formed.
A chemical equation should be balanced in order to follow the law of conservation of mass.
A chemical equation should be balanced in order to follow the law of conservation of mass.
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The equation in which atoms of various elements on both sides of a chemical equation are equal in accordance with law of conservation of mass is called balanced chemical equation.
It means the total mass of the element present in the products of the chemical reaction has to be equal to the total mass of the element presents in reactant.
In others words the numbers of atoms of each element remains the same before and after a chemical reaction. Hence we need to balance a chemical equation.
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