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Question about finding partial pressure?

1.960 g He, 7.600 g F2, and 6.720 g Ar are placed in a 17.2-L container at 80 oC. What are the molar concentrations and partial pressures of the gases?

So I figured out that He has .0284 M, F2 has .0116 M, Ar has .0098 M and that the total pressure is 1.445 atm.

So the question is, based on those values, how do I figure out the partial pressure?

Update:

Also, I have tried using the mole fraction multiplied by the total and it didn't work ?

for example .0284x1.445 for He is not the answer, neither is .4897x1.445 for He. Although I am 100% that 1.445 is the total pressure.

1 Answer

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  • 9 years ago
    Favorite Answer

    the mole fraction of each multiplied by the total pressure

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