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show the relationship between mole,avagadro number and mass

Asked by nilangi 8th October 2013, 5:16 PM
Answered by Expert
Answer:
One Mole = 6.022 X 1023 (Avogadro's No.)   atoms/ions/molecules/particles
 
No. of moles = Mass/Molecular weight

No. of atoms = Number of moles ( Given mass / Molar mass ) x Avogadro number

 
Let us take an example of 2gm of hydrogen.
No. Of moles of hydrogen molecule=2(wt.)/2(Mol. wt)  
=1 mole of hydrogen molecules  
=6.022 X 1023  molecules of hydrogen
Answered by Expert 9th October 2013, 10:16 AM
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