Question

What is the chemical formula for blue vitriol, whose systematic name is copper(II) sulfate?

Answer 1

Blue vitriol

• The chemical name of blue vitriol is Copper(II) sulfate.
• When exposed to the atmosphere, blue vitriol loses its water of crystallization and becomes white anhydrous,${\mathrm{CuSO}}_4$.

Chemical formula

• The chemical formula of a compound is a symbolic representation of its composition.
• The chemical formula for blue vitriol is ${\mathrm{CuSO}}_4.5{\mathrm{H}}_2\mathrm{O}$.