Work Step by Step
From Dalton's law of partial pressures, Pt = P1 + P2 + P3. From part a we have: For He(g): 1.87 atm For Ne(g) = 0.8085 atm For Ar(g) = 0.2695 atm Therefore, Pt = 1.87 + 0.8085 + 0.2695 = 2.948 atm
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