Question

Which statement best describes the law of conservation of mass? (1 point)
Chemical symbols are used to show atom balance before and after a reaction.
Reactants in a chemical reaction rearrange to form a new substance or substances.
Reactants and products cannot escape from a closed system.
Matter cannot be created or destroyed in a chemical reaction.

Answer 1

The statement that best describes the law of conservation of mass is: **Matter cannot be created or destroyed in a chemical reaction.**