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Homework Help: Similar Ideal Gas Law question

  1. Sep 18, 2011 #1
    1. The problem statement, all variables and given/known data
    A 500 m^3 tank is filled with saturated liquid-vapor mixture of water at 200 kPa. If 20% percent of mass is liquid and 80 percent of the mass is vapor, the total mass in the tank is?


    2. Relevant equations

    pV=mRT

    3. The attempt at a solution

    Don't have a clue... sorry
     
  2. jcsd
  3. Sep 18, 2011 #2

    vela

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    Start by looking up the specific volume of water for the two phases in a table.
     
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