how does the total mass of the products of a chemical reaction compare with the total mass of the reactants

Question

anonymous · Answer

Total mass reactants is the same as total mass products. That is in an ideal reaction.

anonymous · Answer

mass is neither created or destroyed only the state is changed so the second

anonymous · Answer

Mass can not be created in a simple chemical reaction, besides in reality, most of the time the total mass of the product INTENDED by the reaction is not the same as the total mass of  reactants because some other NON-desired products are created within the reaction.