I.
a).
Molar mass of \(CO_2\) is \(42\) \(g\).
b).
\(H_2O\) is an example of a homonuclear triatomic molecule.
II.
| Assertion (A) | The Relative Molecular Mass of chlorine is \(35.5\) \(amu\). |
| Reason (R) | The natural abundance of chlorine isotopes are not equal. |