Answers

  • mp3
  • Ambitious
2016-03-19T12:25:31+05:30
Molecular formula of nitric acid is HNO3
mol. wt.=1(1)+1(14)+3(16)=63gms
63 gm contain 3 oxygen atoms
let 120 gms contain x atoms
then x=(120*3)/63=40/7=5.7(exact)=6 atoms (approx)
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