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The total mass of reactants prior to a chemical
• reaction is greater than the mass of the product due to the release of energy.
• Matter is neither created or destroyed in a chemical reaction, only rearranged.
Matter cannot be rearranged during a chemical
reaction.
The total mass of all of the reactants prior to a
• chemical reaction must equal the total mass of all the products after the reaction.
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The correct statement regarding the Law of Conservation of Mass is:
The total mass of all of the reactants prior to a chemical reaction must equal the total mass of all the products after the reaction.
This principle asserts that in a closed system, mass is conserved and does not change during a chemical reaction.
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