Question

Find number of Nitrogen atoms present in 65 mg
of NaN3
(Atomic mass of Na = 23 u, N = 14 )
(1) 6.02 x 1023 (2) 6.02 x 1020
(3) 1.806 x 1027 (4) 1.204 x 1020
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Answer 1

Answer:

Just convert mg into g...And then use mole concept to get your answer

Hope it helps ...