Answer:
Molar mass of Nitrogen = 14g/mole
Mass of 1 mole of Nitrogen = 14g
1 mole of nitrogen contains 6.022×1023 atoms (Avogadro’s number)
Mass of 6.022 × 1023 atoms of nitrogen = 14 grams
Mass of 1 atom of nitrogen = 14g/(6.022 × 1023 atoms)
Mass of 1 atom of nitrogen = 2.325 × 10-23