How many nitrogen atoms are present in 0.150 mol of Zn(NO3)2?

How many nitrogen atoms are present in 0.150 mol of Zn(NO3)2?
A)9.03 x 1022 atoms
B)1.81 x 1023 atoms
C)4.98 x 10-25 atoms
D)0.300 atoms
E)0.450 atoms


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