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If one mole of carbon atoms weighs 12 g. What is the mass of 1 atom of carbon?

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1 mole of C = 12 g 

Number of atoms in1 mole of C = 6.022 × 1023 atoms 

Mass of 6.022 × 1023 atoms of C = 12 g 

Mass of 1 atom of C = 12 6.022×1023 = 1. 99 × 10−23 g

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