Which law states that matter is neither lost nor gained during a chemical reaction?

Question

Quizplus · Accepted Answer

This law, also known as the law of mass conservation, states that the total mass of the reactants in a chemical reaction is equal to the total mass of the products. In other words, matter can neither be created nor destroyed in a chemical reaction, only rearranged. This law was first formulated by Antoine Lavoisier in the late 18th century and is considered one of the fundamental principles of chemistry.

Which Law States That Matter Is Neither Lost nor Gained