Which law states that matter can neither be created nor destroyed?
A
Law of Conservation of Mass
B
Law of Multiple Proportions
C
Avogadro's Law
D
Law of Definite Proportions
Correct Answer: Option A — Law of Conservation of Mass
Explanation:
The Law of Conservation of Mass, formulated by Antoine Lavoisier, states that mass remains constant in a closed system during a chemical reaction. This principle underlies all stoichiometric calculations in chemistry.