Physical Chemistry: Molecules Air

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Physical Chemistry: Molecules Air Powered By Docstoc
					              Sub: Chemistry                                                               Topic: Physical Chemistry



              Question:
              Assuming that air contains 78 percent N2, 21 percent O2, and 1 percent Ar, all by colume, How
              many molecules of each type of gas are present in 1.0 L of air at STP?

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              Solution:
              Given data

              V = 1.0 L

              N2 = 78%

              O2 = 21%

   
				
DOCUMENT INFO
Description: Gas molecules present in the air: Assuming that air contains 78 percent N2, 21 percent O2, and 1 percent Ar, all by colume.
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