Question

28 grams of nitrogen atoms contains 2 x NA atoms of nitrogen. the number of moles of atoms present in it is ____​

Answer 1

Answer:

1 mole nitrogen contains 6.02 × 10²³ nitrogen molecules.

Thus 14 gram nitrogen will contain

14/28. Na = 0.5Na = 3.01 x 1023 nitrogen molecules. (Molecular weight of nitrogen is 28)

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