Law Of Conservation Of Mass

Imagine you're trying to rearrange the furniture in your living room to make it look more spacious. Just like in rearranging the furniture, where you can't change the total amount of furniture you have, in a chemical reaction, you can't change the total mass of the substances involved. In both scenarios, whether with furniture or with chemical reactions, you're simply redistributing what's already there without adding or removing anything—essentially, the total 'stuff' remains constant, illustrating the law of conservation of mass.
Practice Version

Law Of Conservation Of Mass: States that mass cannot be created or destroyed in a chemical reaction. Law of conservation of mass. In simple terms, this means that the total weight of stuff stays the same before and after a chemical change.