1. Law of conservation of Mass

2. Law of conservation of mass
During the 1780s, French chemist Antoine Lavoisier showed that matter can never be created or destroyed in a chemical reaction
Through various experiments that dealt with reactions involving gases in the air, Lavoisier found that in all cases, the reactants were equal to the mass of the products

3. Conservation of mass states that during a chemical reaction, matter is not created or destroyed. All atoms present at the start of the reaction are present at the end
The principal of conservation of mass states that in a chemical reaction, the total mass of the reactants must equal the total mass of the products