Show that 27u of Al and 27g of Al do not contain same number of atoms.
 

Asked by Kunmunsahoo.2012 | 5th Oct, 2014, 08:35: PM

Expert Answer:

Dear Kunmunsahoo.2012@rediffmail.com

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However, please refer to the following answer:
 
27u of Al and 27 g of Al contains same number of atoms.

According to the defination of mole,

1 mole of a substance is equal to its atomic mass or molecular mass expressed in grams.

Atomic mass of aluminium is 27 u.

Therefore, 1 mole of Aluminium = 27u which is equal to gram atomic mass of aluminium that is, 27 grams.

 
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Topperlearning Team.

Answered by Hanisha Vyas | 8th Oct, 2014, 11:43: AM

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