Problem: 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 is correct.

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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 is correct.


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