When liquid H2O is chemically separated it forms H2 gas and O2 gas.
Which of the following must be true about the mass of the
reactants and products in order for this chemical process
to follow the Law of Conservation of Mass?
Select one:
1) The mass will increase from products to reactants

2) The mass will stay the same from reactants to products

3) The mass will decrease from reactants to products

4) The mass will increase from reactants to products