CBSE Class 11-science Answered
Show that 27u of Al and 27g of Al do not contain same number of atoms.
Asked by Kunmunsahoo.2012 | 05 Oct, 2014, 08:35: PM
Expert Answer
Dear Kunmunsahoo.2012@rediffmail.com
Thanks for asking us a question in Ask the Expert section of TopperLearning.com.
We have not understood the query that you have posted. We would request you to clarify / provide additional details so that we may answer this to the best of the ability.
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.
Regards
Topperlearning Team.
Topperlearning Team.
Answered by Hanisha Vyas | 08 Oct, 2014, 11:43: AM
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