H2O + 17.8223 mM   KOH

pH = 12.19

    (at 25 °C)
Electrical conductivity:   4440.9  µS/cm   (info)
Ionic strength:   17.739  mmol/L   (info)
Alkalinity:   17.822  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   17.822  meq/L   (info)
Redox potential (Eh):   330  mV  

Elements   (in mM)
K K 1.78e+01
O(0) O(0) 1.89e-12
Aqueous Species   (in mM)
H+ 7.23e-10
OH- 1.77e+01
KOH 8.32e-02
K+ 1.77e+01
O2 9.45e-13
Minerals   (Ksp values)
Mineral Formula SI Saturation state
KMetal K -56.84 under-saturated

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