Calculate the number of moles in 3.011*10²³ molecules of nitrogen: (Atomic mass of N 14u)

Dear student!
We know that,
6.022 x 10 ²³ molecules of Nitrogen gas (diatomic gas) = 1 mole
So, 3.011 x10 ²³ molecules of nitrogen gas =( 1/ 6.022 x10²³ ) x 3.011 x 10²³ = 0.5 moles.