H2O + 0.0094 mM   Na2CO3

pH = 8.96

  (at 25 °C)
Electrical conductivity:   3.2 µS/cm   (info)
Ionic strength:   0.019 mmol/L   (info)
Alkalinity:   0.019 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   0.019 meq/L   (info)
Redox potential (Eh):   539 mV  



Elements   (in mM)

C(4) DIC 9.43e-03
Na Na 1.89e-02
O(0) O(0) 3.00e-11

Aqueous Species   (in mM)

H+ 1.11e-06
OH- 9.07e-03
CO2 2.24e-05
HCO3- 9.02e-03
CO3-2 3.87e-04
NaOH 3.01e-08
Na+ 1.89e-02
NaHCO3 9.48e-08
NaCO3- 1.33e-07
O2 1.50e-11

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Nahcolite NaHCO3 -9.23 under-saturated
Trona NaHCO3:Na2CO3:2H2O -24.85 under-saturated
Natron Na2CO3:10H2O -14.56 under-saturated
Thermonatrite Na2CO3:H2O -16.00 under-saturated
NaMetal Na -59.69 under-saturated

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