Law of Conservation of Mass

Law of Conservation of Mass

Law of Conservation of Mass

This law states that mass is neither created or destroyed in chemical reactions.

The mass of the substances before a chemical reaction will be equal to the mass of the substances at the end of a chemical reaction in a closed system.

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Law of Conservation of Mass

If a chemical reaction follows the Law of Conservation of Mass, we should have the same number of each element before and after the reaction has occurred.

This chemical reaction follows the Law of Conservation of Mass.

We start with 2 atoms of Nitrogen and end with 2 atoms of Nitrogen.

We start with 6 atoms of Hydrogen and end with 6 atoms of Hydrogen.

Multiple Choice

Does this chemical equation follow the Law of Conservation of Mass?

• Yes

• No

Multiple Choice

Does this chemical equation follow the Law of Conservation?

• Yes

• No

Multiple Choice

Does this chemical reaction follow the law of conservation?

• Yes

• No

Multiple Choice

How many Hydrogen atoms (H) are in this formula?

• 2

• 4

• 6

• 8

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Multiple Choice

Does this follow the Law of Conservation?

• Yes

• No