What will be the mass of one atom of C-12 in grams?
1 mole of carbon contains 12g of carbon and contains 6.023 x 1023 atoms. Therefore the mass of 1 atom of carbon can be given by the calculation
Mass of 1 carbon atom = 
= 1.99 x 10-23g.
2
What will be the mass of one atom of C-12 in grams?
1 mole of carbon contains 12g of carbon and contains 6.023 x 1023 atoms. Therefore the mass of 1 atom of carbon can be given by the calculation
Mass of 1 carbon atom = = 1.99 x 10-23g.