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29 September, 13:53

Calculate the number of atoms in 23 g of sodium (Na).

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  1. 29 September, 15:32
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    First find moles of sodium:

    (23.0g Na) / (22.99g/mol Na) = 1mol Na

    Second multply moles by Avogadro's number: (1mol Na) (6.02x10^23 atoms) = 6.02x10^23 atoms Na
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