H2O + 1.0 mM   Na3AsO4

pH = 10.88

  (at 25 °C)
Electrical conductivity:   296.4 µS/cm   (info)
Ionic strength:   4.386 mmol/L   (info)
Alkalinity:   2.0 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   2.0 meq/L   (info)
Redox potential (Eh):   -47 mV  



Elements   (in mM)

Na Na 3.00e+00
As As 1.00e+00
As(3) As(3) 2.82e-12
As(5) As(5) 1.00e+00

Aqueous Species   (in mM)

H+ 1.42e-08
OH- 8.06e-01
NaOH 3.73e-04
Na+ 3.00e+00
HAsO4-2 8.07e-01
H2AsO4- 1.26e-04
H3AsO4 3.11e-13
AsO4-3 1.93e-01
H3AsO3 4.86e-14
H2AsO3- 2.77e-12
HAsO3-2 5.14e-16

Minerals   (Ksp values)

Mineral Formula SI Saturation state
NaMetal Na -47.61 under-saturated

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