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Question

Total pressure exerted by mixture of three gases A , B , C is 24 atm. If mole fraction of a gas A at 0.3 and mole fraction of remaining two gases is same then calculate the partial pressure in atm of each gas.

A
8.4
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B
6.4
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C
4.2
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D
3.2
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Solution

The correct option is C 8.4
Partial pressure of gas = Mole fraction of gas×PTotal
=.35×24=8.4 atm
As the mole fraction of B,C gas are same.

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