A 1- L flask is filled with 1.45 g of argon at 25 C . A sample of ethane vapor is added to the same flask until the total pressure is 1.35 atm .
Part A: What is the partial pressure of argon A Ar, , in the flask? Express your answer to three significant figures and include the appropriate units.
Part B: What is the partial pressure of ethane P ethane , in the flask? Express your answer to three significant figures and include the appropriate units.