H2O + 0.1 mM   K2CO3

pH = 9.86

  (at 25 °C)
Electrical conductivity:   35.9 µS/cm   (info)
Ionic strength:   0.226 mmol/L   (info)
Alkalinity:   0.2 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   0.2 meq/L   (info)
Redox potential (Eh):   499 mV  



Elements   (in mM)

C(4) DIC 1.00e-01
K K 2.00e-01
O(0) O(0) 2.58e-10

Aqueous Species   (in mM)

H+ 1.41e-07
OH- 7.37e-02
CO2 2.25e-05
HCO3- 7.37e-02
CO3-2 2.63e-02
KOH 4.93e-06
K+ 2.00e-01
O2 1.29e-10

Minerals   (Ksp values)

Mineral Formula SI Saturation state
K2CO3:1.5H2O K2CO3:1.5H2O -15.07 under-saturated
KMetal K -61.60 under-saturated

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