Question

if one mole ofcarbon atoms weigh 12 grams what is the mass of 1 atom of carbon​

Answer 1

12/6.022*10^23

Which is nearly 1.99x10^-23

Answer 2

Answer:

1 mole = 6.022 x 1023 atoms

One mole of carbon atoms weighs 12 gram.

i.e. 6.022 x 1023 atoms of carbon weigh 12 gram.

Therefore,  

1 atom of carbon weighs 12 / (6.022 x 1023) = 1.993 x 10-23 gram.

Concept insight: For answering questions related to mole concept apply the relation

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