H2O + 1.0 mM   H2O
+ 1000.0 mM   FeCl2

pH = 5.18

  (at 25 °C)
Electrical conductivity:   72951.3 µS/cm   (info)
Ionic strength:   2457.322 mmol/L   (info)
Alkalinity:   0.0 meq/L   (info)
Total hardness:   1999.964 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   -87 mV  

(NOTE: No   preselected minerals   precipitate.)


Elements   (in mM)

Cl Cl 2.00e+03
Fe Fe 1.00e+03
Fe(2) Fe(II) 1.00e+03
Fe(3) Fe(III) 3.11e-08

Aqueous Species   (in mM)

H+ 9.18e-03
OH- 2.78e-06
Fe+2 7.29e+02
Fe(OH)3- 6.02e-14
FeOH+ 9.18e-03
Fe(OH)2 3.82e-09
FeCl+ 2.71e+02
Fe+3 7.32e-12
FeOH+2 2.82e-09
Fe(OH)2+ 2.79e-08
Fe(OH)3 1.81e-10
Fe(OH)4- 6.80e-14
FeCl+2 8.94e-11
FeCl2+ 4.28e-11
FeCl3 2.75e-12
Cl- 1.73e+03
H2 1.56e-08

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Fe(OH)3(a) Fe(OH)3 -4.83 under-saturated
Fe(OH)2 Fe(OH)2 -4.50 under-saturated
Goethite FeOOH 1.08 super-saturated
Hematite Fe2O3 4.20 super-saturated
Magnetite Fe3O4 5.87 super-saturated
FeO FeO -4.10 under-saturated
FeMetal Fe -13.95 under-saturated

Disclaimer:   The pH calculator has been tested with great care. Nevertheless, the results are provided without warranty.