A Gas Mixture, with a Total Pressure of 300

question 10

Multiple Choice

A gas mixture, with a total pressure of 300. torr, consists of equal masses of Ne (atomic weight 20.) and Ar (atomic weight 40.) . What is the partial pressure of Ar, in torr?

• A)75 torr
• B)100. torr
• C)150. torr
• D)200. torr
• E)None of these choices are correct.