which law directly explains the law of conservstion of mass and how?? opsns r dalton's law,avogadro's law,berzillius law and hund's rule

which law directly explains the law of conservstion of mass and how??

1.	which law directly explains the law of conservstion of mass and how?? opsns r dalton's law,avogadro's law,berzillius law and hund's rule
Answer» DALTONS LAW ...is the ANS