Which law states that mass can neither be created nor destroyed?

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Which law states that mass can neither be created nor destroyed? Answer: Law of Conservation of Mass

The law stating that mass can neither be created nor destroyed is the Law of Conservation of Mass (also known as the principle of mass conservation).Discovered by French chemist Antoine-Laurent Lavoisier in 1789, it dictates that in a closed system, the total mass of reactants will always equal the total mass of products, with matter only changing its form.

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