H2O + 0.0 mM   Na2CO3

pH = 7.02

  (at 25 °C)
Electrical conductivity:   0.1 µS/cm   (info)
Ionic strength:   0.0 mmol/L   (info)
Alkalinity:   0.0 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   652 mV  



Elements   (in mM)

C(4) DIC 9.43e-06
Na Na 1.89e-05
O(0) O(0) 2.39e-11

Aqueous Species   (in mM)

H+ 9.47e-05
OH- 1.06e-04
CO2 1.65e-06
HCO3- 7.78e-06
CO3-2 3.86e-09
NaOH 3.55e-13
Na+ 1.89e-05
NaHCO3 8.25e-14
NaCO3- 1.35e-15
O2 1.19e-11

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Nahcolite NaHCO3 -15.29 under-saturated
Trona NaHCO3:Na2CO3:2H2O -41.90 under-saturated
Natron Na2CO3:10H2O -25.55 under-saturated
Thermonatrite Na2CO3:H2O -26.99 under-saturated
NaMetal Na -64.59 under-saturated

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