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GenaCL600 [577]
2 years ago
6

A mixture of nitrogen gas and oxygen gas has a total pressure of l.13 atm. If the partial pressure of oxygen is 0.43 atm, what i

s the partial pressure of nitrogen?
a) 1.56 atm
b) 1.13 atm
c) 0.70 atm
d) 0.38 atm​

Chemistry
2 answers:
Vladimir [108]2 years ago
8 0
C
0.70

I hope this is help, I’m so so sorry if I’m incorrect
Stels [109]2 years ago
6 0

Answer:

0.70 atm - Option C

Explanation:

Let's apply the mole fraction concept to solve this:

Partial pressure of a gas / Total pressure = Mole fraction of a gas.

In a mixture, sum of mole fraction from each gas = 1

Partial pressure of O₂ / Total pressure = Mole fraction of O₂

0.43 atm / 1.13 atm = 0.380

1 - 0.380 = 0.62 → Mole fraction N₂

Mole fraction N₂ = Partial pressure N₂ / Total pressure

0.62 = Partial Pressure N₂ / 1.13 atm

0.62 . 1.13 = 0.70 atm → Partial Pressure N₂

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