why chemical equation should be balanced
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Answer:
According to law of conservation of mass, when a chemical reaction occurs, the mass of the products should be equal to mass of the reactants. Therefore, the amount of the atoms in each element does not change in the chemical reaction. As a result chemical equation needs to be balanced.
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Explanation:
The chemical equation needs to be balanced so that it follows the law of conservation of mass. A balanced chemical equation occurs when the number of the different atoms of elements in the reactants side is equal to that of the products side. Balancing chemical equations is a process of trial and error.
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