A balanced chemical equation is one in which the number of atoms of each element on the reactant side (left side) is equal to the number of atoms of that element on the product side (right side). This maintains the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. In a balanced equation, the total mass of the reactants must equal the total mass of the products, ensuring that all atoms are accounted for. The coefficients (the numbers placed before compounds) are adjusted to achieve this balance.
A balanced chemical equation is one in which
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