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Compressed 5% CO2 in tank

  1. Apr 26, 2007 #1
    If I have a tank of compressed air with 5% CO2 and 95% air, and I know the flow rate coming out of the tank is 0.01 LPM, how do I determine the number of [moles/L] of CO2 coming out of the tank?
     
  2. jcsd
  3. Apr 26, 2007 #2
    Imagine that in the tank you have 95 liters of air and 5 liters of CO2. Compute the number of moles of CO2. This will be the number of moles of CO2 in 100 liters. The rest you can do yourself.
     
  4. Apr 26, 2007 #3
    Naturally you will have 5% of 0.01LPM CO2 coming out of the tank. There's a slight change over time because CO2 molecule is 44 which is heavier than air (29). When the tank goes to the end, the concentration of CO2 is higher than 5%, so are other heavier contaminant gases.
     
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