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Find the correct common name and IUPAC name and their molecular formula for the given common hydrated salts:
  
Answer variants:
ZnSO_4.7H_2O
Zinc sulphate heptahydrate
FeSO_4.7H_2O
Iron (II) sulphate heptahydrate
FeSO_4.9H_2O
Green Vitriol
White Vitriol
 
IUPAC Name
Common Name
Molecular formula
1.
 
2.