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I need assistance on this chem problem

  1. Aug 29, 2006 #1
    Which has a higher density, oxygen or air? Prove by calculations, knowing that air is approximately 20% oxygen and 80% nitrogen and that 1 mol of any gas occupies 22.4liters at STP
     
  2. jcsd
  3. Aug 29, 2006 #2

    Hootenanny

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    Please read the following;
     
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