There are 63 atoms present in 9 molecules of NH₄CN.
Explanation:
In each molecule of NH₄CN, there are
2 Nitrogen atoms
4 Hydrogen atoms
1 Carbon atom
So totally 2+ 4+ 1 = 7 atoms.
In 9 molecules of NH₄CN,
9×7 = 63 atoms are present.
There are 63 atoms present in 9 molecules of NH₄CN.
