My Query!
Asked by | 2nd Dec, 2008, 01:38: PM
Expert Answer:
1 mole of N2 gas contains 2 x 6.023 x 1023 atoms of N because N2 gas is a diatomic molecule. 1 molecule of N2 gas is made up of 2 atoms of N
For 0.07 g of N2 gas , number of moles =0.07/28=2.5 x 10-3
If 1 mole of N2 gas contains 2.5 x 10-3 atoms of N
Therefore 2.5 x 10-3 mol of N2 gas contains 2.5 x 10-3 x 2 x 6.023 x 1023 =3.011x 1021 atoms of N
Answered by | 2nd Dec, 2008, 03:38: PM
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