Identify the molecular mass for the given compounds:
 
1. Carbon dioxide \(CO_{2}\)
 
Molecular mass of Carbon dioxide \(CO_{2}\) \(=\) \(u\).
 
2.  Nitric acid \(HNO_{3}\)
 
Molecular mass of Nitric acid \(HNO_{3}\) \(=\) \(u\).