Question

Molar mass of nitrogen is 14 u. What will be the mass of one atom of nitrogen in gram?

Answer 1

Mass of 1 mole of N = 14 u
1 mole contains 6.023 x 1023 atoms

Hence mass of 1 atom = 14/ 6.023 x 1023 = 2.32 x 10-23 u

Answer 2

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