CBSE Class 9 Answered
show the relationship between mole,avagadro number and mass
Asked by nilangi | 08 Oct, 2013, 05:16: PM
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 Hanisha Vyas | 09 Oct, 2013, 10:16: AM
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