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


Answer :

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

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