H2O + 9.435 mM   Na2CO3

pH = 10.96

  (at 25 °C)
Electrical conductivity:   1885.3 µS/cm   (info)
Ionic strength:   24.634 mmol/L   (info)
Alkalinity:   18.87 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   18.87 meq/L   (info)
Redox potential (Eh):   405 mV  



Elements   (in mM)

C(4) DIC 9.44e+00
Na Na 1.89e+01
O(0) O(0) 2.89e-12

Aqueous Species   (in mM)

H+ 1.24e-08
OH- 1.07e+00
CO2 2.25e-05
HCO3- 1.07e+00
CO3-2 7.07e+00
NaOH 2.47e-03
Na+ 1.76e+01
NaHCO3 7.82e-03
NaCO3- 1.29e+00
O2 1.45e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Nahcolite NaHCO3 -4.31 under-saturated
Trona NaHCO3:Na2CO3:2H2O -10.10 under-saturated
Natron Na2CO3:10H2O -4.73 under-saturated
Thermonatrite Na2CO3:H2O -6.17 under-saturated
NaMetal Na -54.52 under-saturated

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