contestada

A vessel contains three gases at these partial pressures: 100 torr oxygen, 300 torr helium, 200 torr neon

The mole fraction of helium is

0.10
0.50
0.33
0.17
none of these

Respuesta :

kenmyna

 The mole fraction of helium in a vessel that contain threes gases  with a partial pressure of : 100 torr oxygen, 300 torr  helium and 200 torr neon  is  0.50


          calculation

  •    mole  fraction  =    partial pressure for helium  divided by total pressure
  • Total pressure=partial pressure of oxygen + partial  pressure for Helium +partial pressure for  neon

   =  100+300+200=600

  • mole fraction is therefore= 300/600=  0.50

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