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

Given, 1 mole of carbon weighs = 12g

1 mole of carbon has $$= 6.022 × 10^{23}$$atoms

i.e., $$6.022 × 10^{23}$$atom = 12g

So, mass of 1 atom of carbon $$=$$ $$12 \over 6.022 × 10^{23}$$ $$= 1.99 × 10^{-23}$$g