1 mol He and 3 mol N2 exertv a pressure of 16 atm. Due to a hole in the vessel in which mixture in placed, mixture leaks out. What is the composition of mixture effusing out initially ?
A
0.22
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B
0.44
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C
0.66
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D
0.88
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Solution
The correct option is C 0.88 r1r2=p1p2=√M2M1
PHe=xHe⋅ptotal
=14×16=4 atom
PN2=xN2⋅ptotal
=34×16=12 atom =(p−totalpHe)
rHefN2=pHepN2√M(N2)M(He)
=412√284=0.88
Hence, moles of He and N2 effusing out initially are in the ratio 0.88:1