Which sentence is a statement of the law of conservation of mass? O A. In a chemical reaction, mass remains the same, even though the
types of atoms can change.
B. In a chemical reaction, the mass per volume of the reactants
equals the mass per volume of the products.
C. In a chemical reaction, atoms can be rearranged, but the total
mass of each type of atom never changes.
O D. In a chemical reaction, mass is conserved, but the numbers and
types of atoms are not.