Q.
1 g Hz and x g O2 gas exert a total pressure of 5 atm. At a given temperature partial pressure of O2 gas is 4 atm, O2 in the mixture is
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a
I mol
b
2 mol
c
3 mol
d
4 mol
answer is B.
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Detailed Solution
pH2+pO2=5 atm Partial pressure =ptotal ⋅ mole fraction pO2=ptotalχO2⇒4=5x32x32+12 x=64g=2 mol O2
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