The starting products of a chemical reaction are 92.6g of Hg and 7.4g of oxygen (O) gas. A scientist hypothesizes that the mass of the final product will be 100g total. What law supports the scientists hypothesis?

Question

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Law of Conservation of Elements
Law of Conservation of Energy
Law of Conservation of Mass
Law of Conservation of Atoms

Answer 1

The law that supports the scientists hypothesis is the Law of Conservation of Mass. This law states that in a chemical reaction, the total mass of the reactants is equal to the total mass of the products, meaning that mass is conserved.

Answer 2

pick one

Answer 3

Law of Conservation of Mass