Fe2+(aq)
Formation Gibbs Energy
Estimated ΔfG'm -98.4 ± 5.8 [kJ/mol]    Enter custom concentration »
Estimated ΔfG'° -81.3 ± 5.8 [kJ/mol]
Estimated using Component Contribution (2013)
pH
Ionic strength [M]
General Properties
Formula Fe
Common names Fe2+; Fe(II); Ferrous ion; Iron(2+); C14818
Molar Mass 55.93 [Da]
Structure
Links KEGG »
Species Formation Energies
Phase Net charge #Hydrogens Δf [kJ/mol] ΔfG'° [kJ/mol] Reference
aqueous 2 0 -78.9 -81.3 Component Contribution (2013)