A sample of air from the basement of a home is found to contain 8.3 ppm of radon. What is the partial pressure of radon in the basement if the total pressure is 755 torr? A. B. C. D. E. 6.8 104 mol/L 5.2 104 mol/L 4.9 104 mol/L 3.8 104 mol/L 1.1 105 mol/L 6.3 103 torr 4.3 104 torr 8.3 torr 8.9 103 torr 1.1 108 torr