At 298 K and 1 atm, Phosphine gas taken in a 50 litre vessel contained (X) molecules. Number of molecules of Ammonia gas taken in a 20 litre vessel at 298 K and 1 atm will be
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a
0.5 X
b
0.6 X
c
0.8 X
d
0.4 X
answer is D.
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Detailed Solution
'T' and 'P' are constant V=Kn ; V1n1=V2n2 ; 50X=20n2 ;