As we know many volatile substances are present in Earth's atmosphere in trace amounts. The given quantities of these trace gases a) 4.887 1017 atoms of Ne (g) , b) 5.080 x 1016 molecules of hydrogen (g), c) 1.85 x 1013 molecules of NO2 (g), d) 9.45 x 1015 molecules of O3 (g) were found in a 1.0 gallon sample of air. Compute the number of moles of each gas in this sample?