Law of Conservation of Mass

The Law of Conservation of Mass states that...

• matter can be created, but not destroyed

• matter cannot be created or destroyed

• matter cannot be created, but it can be destroyed

Tags

NGSS.MS-PS1-5

Why do we balance chemical equations?

• To obey the Law of Conservation of Mass

• To create new matter

Tags

NGSS.MS-PS1-5

How many Carbon atoms are present on the reactant side? Hydrogen? Oxygen?

• 1 Carbon , 4 Hydrogen, 2 Oxygen

• 4 Carbon, 2 Hydrogen, 1 Carbon

• 1 Carbon, 2 Hydrogen, 4 Oxygen

Tags

NGSS.MS-PS1-1