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Xenon tetrafluoride gas is placed in a 3-liter container at 80°C. The pressure of the gas is found to be 0.117 atm. How many moles of the gas are in the container?

John McCann
John McCann Answered:

Haven't we been here before. Still the ideal gas equation.

 

PV = nRT

 

But, 80 C = 353.15 Kelvin

 

(0.117 atm)(3 Liters) = n(0.08206 L*atm/mol*K)(353.15 K)

 

0.351 = 28.979n

 

= 0.012 moles Xenon tetrafluoride

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