If one mole of carbon atoms weighs 12 gram, what is the mass (in gram) of 1 atom of carbon?

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Andrews Joseph

1.9926467×10?23 gram. 1 mole contain Avogadro number (Na) of atoms 12/Na
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MSc Chemistry, BEd, PGDJMC

Exactly 12 grams of pure carbon-12 powder is known as one mole. And one mole of carbon contains Avagadro number of atoms. Hence the mass of one atom of carbon will be, 12/6.0221367x10 23 = 1.9926x10(-23).
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