Give information about the law of conservation of mass.

Explanation

`to` Until the advent of Einstein.s theory of relativity the law of conservation of mass was regarded as another basic conservation law of nature. Since, matter was thought to be indestructible.
`to` It was (and still is) an important principle used. For example, in the analysis of chemical reactions.
`to` In any chemical reaction, the total mass of the reactants is the same as the total mass of the products. The changes in the binding energy are too small to be measured as changes in mass.