Asked by Karen
A 1L flask is filled with 1.25 g of argon at 25 degrees celcium. A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm.
What is the partial pressure of argon in the flask?
What is the partial pressure of argon in the flask?
Answers
Answered by
DrBob222
mols Ar = 1.25/39.95 = 0.0313
Use PV = nRT to calculate pressure Ar.
Remember that the partial pressure of a gas doesn't depend upon what other gas is present. In effect, we ignore the ethane vapor although the partial pressure of the ethane COULD be calculated, also.
Use PV = nRT to calculate pressure Ar.
Remember that the partial pressure of a gas doesn't depend upon what other gas is present. In effect, we ignore the ethane vapor although the partial pressure of the ethane COULD be calculated, also.
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