A 1-L flask is filled with 1.45 g of argon at 25 degrees C. A sample of ethane vapor is added to the same flask until the total pressure is 1.35 atm. What is the partial pressure of argon in the flask?

3 answers

figure the moles of argon in 1.45g.

PartialPressure*Volume=nRT solve for partial pressure of Argon
122
0.888