What is number of carbon atoms in 60g
pencil containing 60% graphite?
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Explanation:
60 g x 0.6 = 36 g of graphite
Graphite is an allotrope of carbon (C), so there would be 36 g of C.
moles of C = 36 g x 1 mole/12 g = 3 moles of C
no of atoms = 3 moles C x 6.02x1023 atoms/mole = 1.8x1024 atoms of C
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