Respuesta :
Answer: They have the same mass as the mass of reactants.
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The law of conservation of mass says that mass can neither be created or destroyed. The products of a reaction have the same mass as the reactants, the atoms of the reactants are simply rearranged.
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The law of conservation of mass says that mass can neither be created or destroyed. The products of a reaction have the same mass as the reactants, the atoms of the reactants are simply rearranged.