H2O + 18.0 mM   KOH
+ 81.0 mM   K2CO3

pH = 12.09

  (at 25 °C)
Electrical conductivity:   20223.2 µS/cm   (info)
Ionic strength:   259.932 mmol/L   (info)
Alkalinity:   180.002 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   180.002 meq/L   (info)
Redox potential (Eh):   356 mV  



Elements   (in mM)

C(4) DIC 8.10e+01
K K 1.80e+02
O(0) O(0) 4.56e-11

Aqueous Species   (in mM)

H+ 1.02e-09
OH- 1.80e+01
CO2 6.76e-07
HCO3- 5.39e-01
CO3-2 8.05e+01
KOH 5.31e-01
K+ 1.79e+02
O2 2.28e-11

Minerals   (Ksp values)

Mineral Formula SI Saturation state
K2CO3:1.5H2O K2CO3:1.5H2O -6.51 under-saturated
KMetal K -56.39 under-saturated

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