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What is the pressure in a mixture of 4g of O2 AND 2g of H2 confined in a bulb of 1 litre at 0 degree Celsius is (1) 45.215 atm  (2) 31.205 atm  (3) 25.215 atm (4) 15.210 atm

Asked by Raunakgandhi666 5th April 2017, 5:49 PM
Answered by Expert
Answer:

Given:

V = 1L

T = 273K

Let us find the Partial pressure of O2.

No. of moles = 4/32 =0.125 moles

P1= nRT/v =0 .125x0.082 x 273/1 =2.80 atm

Now let us find the partial pressure of H2.

P2 = nRT/v =1 x 0.082 x 273/1 =22.386 atm

Total pressure of the mixture = 2.80 + 22.38 =25.18 atm

Correct option is (3)

Answered by Expert 5th April 2017, 6:40 PM
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