Calculate the number of atoms in 46g of sodium.Given atomic mass of Na=23 u.
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No. Of moles=weight/gmw=46/23=2
No.of atom=no.of moles×avagadro no.
=2×6.023×10*23=12.046×10*23
No.of atom=no.of moles×avagadro no.
=2×6.023×10*23=12.046×10*23
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