12.In the equation below, how many molecules of Cl2 are required to react completely with 2 atoms of sodium?2 Na(s) + Cl2(g) ---> 2 NaCl(s)Select one:a. 1b. 2c. 3d. 4
The number of Cl2 molecules that are needed to react with sodium, is represented by the coefficient in front of Cl2. So, 1 molecule of Cl2 is required.
