H2O + 100.0 mM   NaHCO3
+ 600.0 mM   NaCl
+ atmospheric CO2   (pCO2 = 3.408)

pH = 9.44

  (at 25 °C)
Electrical conductivity:   58383.2 µS/cm   (info)
Ionic strength:   679.169 mmol/L   (info)
Alkalinity:   99.934 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   99.934 meq/L   (info)
Redox potential (Eh):   494 mV  



Elements   (in mM)

C(4) DIC 6.35e+01
Na Na 7.00e+02
Cl Cl 6.00e+02
O(0) O(0) 1.80e-12

Aqueous Species   (in mM)

H+ 4.84e-07
OH- 4.41e-02
CO2 1.14e-02
HCO3- 2.35e+01
CO3-2 9.82e+00
NaOH 2.25e-03
Na+ 6.69e+02
NaHCO3 3.61e+00
NaCO3- 2.66e+01
Cl- 6.00e+02
O2 9.02e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Halite NaCl -2.33 under-saturated
Nahcolite NaHCO3 -1.58 under-saturated
Trona NaHCO3:Na2CO3:2H2O -4.69 under-saturated
Natron Na2CO3:10H2O -2.13 under-saturated
Thermonatrite Na2CO3:H2O -3.48 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.