a. How many ATOMS of nitrogen are present in 2.78 moles of nitrogen dioxide? atoms of nitrogen b. How many MOLES of oxygen are present in 6.871022 molecules of nitrogen dioxide? moles of oxygen 1. How many MOLECULES of sulfur dichloride are present in 2.53 moles of this compound? molecules. 2. How many MOLES of sulfur dichloride are present in 4.971022 molecules of this compound? moles. 7 more group attempts remaining