A balanced chemical equation demonstrates the law of conservation of mass by showing that the number of atoms for each element is the same on both sides of the equation. This means that the total mass of the reactants equals the total mass of the products, indicating that mass is neither created nor destroyed in a chemical reaction. For example, in the reaction \( 2H_2 + O_2 \rightarrow 2H_2O \), there are 4 hydrogen atoms and 2 oxygen atoms on both sides of the equation, confirming that the mass is conserved.
how does a balanced chemical equation demonstrate the law of conservation of mass? 1 point
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