Answer:
the answer is
CO2 (1 atom of carbon and 2 atoms of oxygen)7.31x10-^23
3.34x10-^24 H2(2 atoms of hydrogen)
2821x 10-^23 NH3 (1 atom of nitrogen and 3 atoms of hydrogen
7.64x 10-^ 23 NO2 1 atom of nitrogen and 2 atoms of oxygen
Step-by-step explanation:
i got all of them right so these are all correct!!