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NEET levelSingle correct optionDifficulty 1 of 3mc113

The total number of atoms in 0.5 mol of ammonia, , is (take )

  1. A
  2. B
  3. C
  4. D

Answer: B

One molecule has 4 atoms (1 N + 3 H). Atoms = 0.5 x 4 x = 2 x 6.02e23 = 1.204e+24. 3.01e+23 is the number of molecules only.
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