Question

calculate the number of nitrogen atom present in 16g urea​

Answer 1

Answer:

3.2×10^23

Explanation:

N=n ×NA

 = (16/60) × 6.023×10^23

  0.27×6.023×10^23

 1.6×10^23

no of N atoms in urea = 2

so N × 2 will be the answer

i.e. 3.2×10^23