Metals	∆G_Coul. (kJ/mol.)	∆G_solv. (kJ/mol.)	∆G_Coul. + ∆G_solv. (kJ/mol.)	∆G⁰ 298 K (kJ/mol.)
Cd²⁺	−10.277	+5.4195	−4.857	−5.940
Cu²⁺	−8.473	+5.7328	−2.740	−1.342
Pb²⁺	−8.204	+5.070	−3.135	−2.889
Sr²⁺	−10.103	+5.170	−4.938	−6.574
Zn²⁺	−10.760	+5.764	−4.998	−1.422