H2O + 1000.0 mM   Na2CO3

pH = 11.42

  (at 25 °C)
Electrical conductivity:   72624.2 µS/cm   (info)
Ionic strength:   1380.679 mmol/L   (info)
Alkalinity:   2000.178 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   2000.178 meq/L   (info)
Redox potential (Eh):   376 mV  



Elements   (in mM)

C(4) DIC 1.00e+03
Na Na 2.00e+03
O(0) O(0) 1.45e-12

Aqueous Species   (in mM)

H+ 5.20e-09
OH- 4.54e+00
CO2 1.66e-05
HCO3- 4.01e+00
CO3-2 1.88e+02
NaOH 3.95e-01
Na+ 1.19e+03
NaHCO3 9.23e-01
NaCO3- 8.07e+02
O2 7.25e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Nahcolite NaHCO3 -2.10 under-saturated
Trona NaHCO3:Na2CO3:2H2O -3.50 under-saturated
Natron Na2CO3:10H2O -0.47 under-saturated
Thermonatrite Na2CO3:H2O -1.75 under-saturated
NaMetal Na -52.27 under-saturated

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