Question

Who stated the Law of conservation of mass?

Answer 1

Law of conservation of mass

• The law of conservation of mass state that the mass cannot be created or destroyed in a closed or isolated system.
• Both reactants and products must have the same number of atoms.

Discovered the law of conservation of mass

• Antoine Laurent Lavoisier discovered the rule of conservation of mass in $1789$.
• Later, the theories of special relativity and quantum mechanics changed the law of conservation of mass to state that energy and mass are one conserved quantity.