H2O + 0.0943 mM   Na2CO3

pH = 9.84

  (at 25 °C)
Electrical conductivity:   29.5 µS/cm   (info)
Ionic strength:   0.213 mmol/L   (info)
Alkalinity:   0.189 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   0.189 meq/L   (info)
Redox potential (Eh):   470 mV  



Elements   (in mM)

C(4) DIC 9.43e-02
Na Na 1.89e-01
O(0) O(0) 2.14e-12

Aqueous Species   (in mM)

H+ 1.47e-07
OH- 7.03e-02
CO2 2.25e-05
HCO3- 7.03e-02
CO3-2 2.39e-02
NaOH 2.28e-06
Na+ 1.89e-01
NaHCO3 7.21e-06
NaCO3- 7.87e-05
O2 1.07e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Nahcolite NaHCO3 -7.34 under-saturated
Trona NaHCO3:Na2CO3:2H2O -19.21 under-saturated
Natron Na2CO3:10H2O -10.80 under-saturated
Thermonatrite Na2CO3:H2O -12.24 under-saturated
NaMetal Na -57.52 under-saturated

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