after a chemical reaction ,the Total mass of reactants annd products
c)is not changed
After a chemical reaction ,the Total mass of reactants and products
Because the mass of the initial substances is equal to the mass of the reaction products.
after a chemical reaction ,the Total mass of reactants annd products
c)is not changed
After a chemical reaction ,the Total mass of reactants and products
c)is not changed
Because the mass of the initial substances is equal to the mass of the reaction products.