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Homework Help: Quick Q

  1. Mar 27, 2005 #1
    a 1 L container with 5 mL of water held at 20degcel

    I have to figure out the vapour pressure.

    I was told to use PV=nRT..but how do I find n?

    thanks
     
  2. jcsd
  3. Mar 28, 2005 #2

    HallsofIvy

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    Science Advisor

    First what does n MEAN???
     
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