Question

A 1.00 L flask is filled with 1.10 g of argon at 25 °C. A sample of ethane vapor is added to the same flask until the total pressure is 1.400 atm Part A What is the partial pressure of argon, PAr, in the flask? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) HA PAr0.727 atm Previous Answers Submit Incorrect; Try Again Part B What is the partial pressure of ethane, Pethane, in the flask? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) ? Value Units Pethane Submit

Answer 1

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mol Given v=lL R=0.0821 Lahn T= 25°C = 298k molar mass of Ar=39-95 g/mol from pu=CORT м. Plotas Past Peste toral Ar 1.40-0.674 P=12ogmx 0.0821 L-alm x 298k 39-959mXIL x kmoi p= 0.674 atom P 0.674 alm. este = 10.-+262 am cs Scanned with CamScanner