What law that states the mass of the reactants is always equal to the mass of the products?

1 Answer
Nov 1, 2016

Answer:

Explanation:

This law was formally advanced during the late 18th century; Antoine Lavoisier and Mikhail Lomonosov were probably its principle authors. Given the absolute necessity that mass is conserved in a chemical reaction, one would think that it would have become a foundational principle of science much earlier in humanity's development.

Is mass always concerved in a physical reaction?