H2O + 995.0 mM   K2CO3
+ 2000.0 mM   NaCl
+ 0.001 mM   (NH4)2CO3
+ atmospheric CO2   (pCO2 = 3.408)

pH = 9.97

  (at 25 °C)
Electrical conductivity:   177562.0 µS/cm   (info)
Ionic strength:   3365.327 mmol/L   (info)
Alkalinity:   1991.753 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   1991.753 meq/L   (info)
Redox potential (Eh):   474 mV  

(NOTE: No   preselected minerals   precipitate.)


Elements   (in mM)

C(4) DIC 1.04e+03
Na Na 2.00e+03
K K 1.99e+03
Cl Cl 2.00e+03
Amm Ammonium 2.00e-03
O(0) O(0) 5.16e-12

Aqueous Species   (in mM)

H+ 1.48e-07
OH- 1.69e-01
CO2 6.13e-03
HCO3- 8.27e+01
CO3-2 1.67e+02
NaOH 1.72e-02
Na+ 1.21e+03
NaHCO3 1.48e+01
NaCO3- 7.80e+02
KOH 3.27e-02
K+ 1.99e+03
Cl- 2.00e+03
NH4+ 2.17e-04
NH3 1.78e-03
O2 2.58e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Halite NaCl -1.47 under-saturated
Nahcolite NaHCO3 -0.69 under-saturated
Trona NaHCO3:Na2CO3:2H2O -2.08 under-saturated
Natron Na2CO3:10H2O -0.71 under-saturated
Thermonatrite Na2CO3:H2O -1.71 under-saturated
Sylvite KCl -0.73 under-saturated
K2CO3:1.5H2O K2CO3:1.5H2O -4.68 under-saturated
KNaCO3:6H2O KNaCO3:6H2O -1.77 under-saturated
NaMetal Na -53.80 under-saturated
KMetal K -57.42 under-saturated

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