The chemical formula S-SO2-H2SO3-MgSO3-Mg(NO3)2 represents a mixture of sulfur, sulfur dioxide, sulfurous acid, magnesium sulfite, and magnesium nitrate.
The chemical formula S-SO2-H2SO3-MgSO3-Mg(NO3)2 represents a mixture of sulfur, sulfur dioxide, sulfurous acid, magnesium sulfite, and magnesium nitrate.