Question

What is the law of conservation of mass

Answer 1

the total mass of the products in a chemical reaction will always be the same as the total mass of the reactants.

Step-by-step explanation:

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Answer 2

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. ... If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system.