Calculate the Number of $\textbf{ nitrogen atoms }$

Calculate the number of $\textbf{ nitrogen atoms }$ in 0.125 $\textbf{ moles }$ of barium nitrate, Ba(NO₃) ₂.

A) 2.00 atoms
B) 0.125 atoms
C) 0.250 atoms
D) 1.51 x 10²³ atoms
E) 7.53 x 10²² atoms