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

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

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