A chemical engineer places a mixture of noble gases consisting of 10.0 grams of helium and 20.0 grams of Neon in a piston cylinder assembly. What is the partial pressure of helium in this mixture if the total pressure is 2.50 atm?
A) PHe = 0.286 atm
B) PHe = 0.710 atm
C) PHe = 1.25 atm
D) PHe = 1.79 atm
E) PHe = 3.49 atm
Correct Answer:
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