Question

masses of reactants in chemical reaction are not change why​

Answer 1

Answer:

THAT'S BECAUSE OF LAW OF CONSERVATION OF MASS.

CONSERVATION OF MASS STATES THAT THE MASS REMAINS CONSTANT IN A CHEMICAL REACTION.

HEY MATE HERE IS UR ANSWER.

Answer 2

Answer:

the mass in a chemical reaction is constant in a closed system... it is important to remember that mass changes only occur because a gas is being released into the atmosphere, or because a gas form the atmosphere is being used as a reactant no atoms are being created or destroyed just rearranged.