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

User Muhammad Aftab
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1 Answer

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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
User Tgpdyk
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