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  • Calculate the number of atoms (ii) 52 u of He

1.33    Calculate the number of atoms

       (ii) 52 u of He.

Answers (1)

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As 1 atom of He weights 4 u.

Hence the number of atoms of He present in 52 u will be:

=\frac{52\ u}{4\ u} = 13\ atoms.

Posted by

Divya Prakash Singh

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