21R = K * P/√M ............ K = Konstant
1/38 = K 0.8 / √28
1/57 = K 1.6 / √M
Take nration get M
M = 252
Xenon ka wt kitna hai ??
One mole of nitrogen gas at 0.8 atm takes 38 seconds to diffuse through a pinhole, whereas one mole of an unknown compound of xenon with flourine at 1.6 atm takes 57 sec to diffuse through the same hole.
Calculate the molecular formula of the compound.
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2 Answers
21
106adding to tapan's answer...
M = 252 = XeFx
==> 252 = 131 +19x
==> 121 = 19x
==> x ≈ 6
So is it XeF6 ??