Question

state and explane law of conservation of mass​

Answer 1

Explanation:

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.

Answer 2

Answer:

law of conservation of mass: Mass can neither be created nor destroyed during a chemical reaction.

Explanation:

The mass of a reactant will be same after reaction.

For example:

20g of some elements taken as reactants in a particular reaction, after completion of the reaction will weigh 20g only.

This law was discovered by Antoine Lavoisiers in 1789.