H2O + 7.0402 mM   Na2SO4

pH = 7.07

  (at 25 °C)
Electrical conductivity:   1509.4 µS/cm   (info)
Ionic strength:   20.581 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):   665 mV  



Elements   (in mM)

Na Na 1.41e+01
S S 7.04e+00
S(6) Sulfate 7.04e+00
O(0) O(0) 2.65e-10

Aqueous Species   (in mM)

H+ 9.69e-05
OH- 1.34e-04
NaOH 2.49e-07
Na+ 1.38e+01
NaSO4- 2.70e-01
HSO4- 3.77e-05
SO4-2 6.77e+00
O2 1.33e-10

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Thenardite Na2SO4 -5.89 under-saturated
Mirabilite Na2SO4:10H2O -5.09 under-saturated
Sulfur S -90.53 under-saturated
NaMetal Na -59.01 under-saturated

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