Question

The number of neutrons present in 14 g of CO is ??

Answer 1

Number of atoms of 14C in 1 mole= 6.023 × 1023.
Since 1 atom of 14C contains (14 – 6) i.e., 8 neutrons, the number of neutrons in 14 g of 14C is (6.023 × 1023) ×8. Or, 14 g of 14C contains (6.022 × 1023 × 8) neutrons.