What choice
demonstrates
the Law of
Conservation of Mass?
A. 45 g Mn +32 g O₂ → 87 g MnO₂
B. 28 g N₂ +6 g H₂ → 34 g NH,
C. 216 g Ag+ 71 g Cl₂ → 245 g AgCl
->
D. 56 g N₂+ 132 g O₂ → 216 g N₂O₂