Select the correct common name and IUPAC name and their molecular formula for the given common hydrated salts:
  
Answer variants:
Blue Vitriol
\(FeSO_4.9H_2O\)
\(Na_2CO_3·10H_2O\)
Sodium carbonate decahydrate
Washing Soda
\(CuSO_4.5H_2O\)
Copper (II) sulphate pentahydrate
 
IUPAC Name
Common Name
Molecular formula
1.
 
2.