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Grade: 11
        
Volume occupied by molecules of one mole of a gas at NTP , each having a radius of 1Angstorm is
one year ago

Answers : (4)

Susmita
425 Points
							
At NTP 1 mole of a gas occupies a volume of  22.4 litre.
Also at NTP number of gas molecules in 1 mole of a gas is NA( Avogadro number 6.023×1023).
So volume occupied by a single molecule is
22.4/Nlitre.
one year ago
Susmita
425 Points
							
As the question says volume occupied by molecules of 1mole gas at NTP,it will simply be 22.4 lit.You do not have to calculate anything.
one year ago
Chinmay
13 Points
							
I found this ans.but how is it? 
Volume of 1 mole of molecules=N×(4v)
(b=4v)
=(6.02×10^23)(4×4/3 πr^3)
=(6.02×10^23)(4×4/3× 22/7 )×(10^-8cm)^3
=10.09 cm^3 or ml
one year ago
Susmita
425 Points
							
Why are you multiplying by 4?
The volume of a single molecule is (4/3)×\pi×r3
If you multiply this with 6.023×1023 you will get almost  25 litre which is close to 22.4 litre,
one year ago
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