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Chemistry 7 Online
OpenStudy (anonymous):

Which statement is a correct expression of the Law of Conservation of Mass? A. The total mass is unpredictable in a chemical reaction. B. The total mass remains the same during a chemical reaction. C. The total mass decreases during a chemical reaction. D. The total mass increases in a chemical reaction.

OpenStudy (anonymous):

Law of Conservation of Mass = mass is conserved so it should remain the same before and after the reaction

OpenStudy (anonymous):

It is B. This can be proven because of the fact that matter cannot be created nor destroyed, and all of the elements in your reactant must be in the product as well.

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