H2O + 1.0 mM   NaHCO3

pH = 8.27

  (at 25 °C)
Electrical conductivity:   93.0 µS/cm   (info)
Ionic strength:   1.009 mmol/L   (info)
Alkalinity:   1.0 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   1.0 meq/L   (info)
Redox potential (Eh):   -130 mV  



Elements   (in mM)

C(4) DIC 1.00e+00
Na Na 1.00e+00

Aqueous Species   (in mM)

H+ 5.60e-06
OH- 1.92e-03
CO2 1.15e-02
HCO3- 9.78e-01
CO3-2 9.43e-03
NaOH 3.17e-07
Na+ 9.99e-01
NaHCO3 5.12e-04
NaCO3- 1.52e-04
H2 5.01e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Nahcolite NaHCO3 -5.49 under-saturated
Trona NaHCO3:Na2CO3:2H2O -16.36 under-saturated
Natron Na2CO3:10H2O -9.81 under-saturated
Thermonatrite Na2CO3:H2O -11.24 under-saturated
NaMetal Na -46.68 under-saturated

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