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1 mole of nitrogen gas at 0.8atm takes 38 sec to diffuse through pin hole whereas 1 mole unknown binary compounds of xenon with fluoride at 1.6 atm takes 57 sec to diffuse through the same hole.calculate molecular formula .Atmoic weight of xe is 136 unit...(please show whole process) |
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Answer» Answer: ANSWER r XeF
r N
= P XeF n
P N 2
M N 2
M XeF n
r XeF n
r N 2
= t XeF n
Molar VOLUME
t N 2
Molar volume
= t N 2
t XeF n
= 38 57
∴ 38 57
= 1.6 0.8
28 M XeF n
M XeF n
=( 38 57
) 2 ×( 0.8 1.6
) 2 ×28 =252 Xe+nF=252 131+n×19=252 n=6 Molecular FORMULA =XeF .
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