What is important to understand regarding the Law of Conservation of Mass?

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In science, "law" refers to a statement based on repeated observations to describe a predictable pattern
"Conservation of mass" means that the amount of mass is kept consistent from start to end
Both of the above statements are accurate
It means energy is not created nor destroyed in a chemical reaction

1 answer

All of the above statements are accurate and important to understand regarding the Law of Conservation of Mass. This law states that in any chemical reaction, the total mass of the reactants must be equal to the total mass of the products. This means that mass is conserved and cannot be created or destroyed during a chemical reaction. It is an important fundamental principle in chemistry and is used to balance chemical equations and predict the amounts of products that will be formed in a reaction.