Teaching UP TGT Mock Test Series 2025 General Science Chemistry Basic Concepts of Chemistry

Which of the following contains greatest number of nitrogen atoms?

1
22.4 L of N2 gas at S.T.P.
2
500 ml of 2.00 M NH3
3
1.00 mol of NH4 Cl
4
6.02 × 1023 molecules of NO2
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