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posted by  Chem Girl on 9/11/2008 4:46:15 PM  |  status: Live  

Radius of a molecule

Course Textbook Chapter Problem
Physical Chemistry Physical Chemistry (7th) by Atkins 1 23EA
Question Details:
In step 2 why do you have to divide Vc by Avogadro's Number?

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posted by Jesley on 9/11/2008 10:35:40 PM  |  status: Live
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"Thank you"
Response Details:
since we have to determine the radius of 1molecule
1 mole of any substance contains avogadro number of molecules(6.023x1023 molecules)
critical volume ,Vc (L/mol)
to get volume in litres (L/mol)*(1mol/6.023x1023 molecules)
then we get the volume of 1molecule
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