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weqwewe [10]
2 years ago
14

Equal masses of he and ne are placed in a sealed container. What is the partial pressure of he if the total pressure in the cont

ainer is 6 atm?
Physics
1 answer:
EastWind [94]2 years ago
6 0

Answer:

6 atm.

Explanation:

Let the mass of both be m

Then moles of He = m/ 4

Moles of Ne = m/ 20

mole fraction of He = Moles of He/ Total moles = m/4/ (m/4 + m/20) = 0.25 m/0.3m = 0.83

Pressure of He = Mole fraction×total pressure = 0.83 × 6 atm = 5 atm

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