Use the conservation of mass interactive to answer the question. Consider the reaction.
Na S(s) + 2 HCl(aq) — 2 NaCl(aq) + H2S(g)
*Select the true statements.*
A. The total number of sodium atoms before the reaction is equal to the total number of sulfur atoms after the reaction.
B. The mass of Na, S is equal to the mass of HCI.
C. The total number of sodium atoms before the reaction is equal to the
total number of sodium atoms after the reaction.
D. The total mass of the reactants before the va reaction is equal to the total mass of the products after the reaction.