Recent content by sirchicken

  1. S

    Mole Fraction of O2 to Mass of O2

    I am trying to find out what the mass of the oxygen in the enclosure will be if the mole fraction of oxygen from 0.21 to 0.158. I am assuming that at stp the mole fraction of oxygen is equal to 0.21 and the mole fraction of nitrogen is 0.79. Then a fire is introduced and reduces the mole...
  2. S

    Mole Fraction of O2 to Mass of O2

    Hi Everyone, I am trying to calculate the mass of oxygen and keep running into dead ends and was wondering if anyone could offer any insight. I am trying to find the resulting mass of oxygen in a 6m x 6m x 6m enclosure at standard temperature and pressure when the mole fraction of oxygen...
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