CBSE Class 11-science Answered
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 | 05 Apr, 2017, 05:49: PM
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 | 05 Apr, 2017, 06:40: PM
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