H2O + 7.77 mM   NaH2PO4
+ 7.77 mM   Na2HPO4
+ 7.77 mM   NaCl

pH = 6.96

  (at 25 °C)
Electrical conductivity:   2491.4 µS/cm   (info)
Ionic strength:   38.414 mmol/L   (info)
Alkalinity:   7.77 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   7.77 meq/L   (info)
Redox potential (Eh):   673 mV  



Elements   (in mM)

Na Na 3.11e+01
Cl Cl 7.77e+00
P P 1.55e+01
O(0) O(0) 3.50e-10

Aqueous Species   (in mM)

H+ 1.27e-04
OH- 1.10e-04
NaOH 4.20e-07
Na+ 3.09e+01
NaHPO4- 2.18e-01
Cl- 7.77e+00
H3PO4 9.83e-05
H2PO4- 7.77e+00
HPO4-2 7.55e+00
PO4-3 7.73e-05
O2 1.75e-10

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Halite NaCl -5.36 under-saturated
Na3PO4(cr) Na3PO4 -16.55 under-saturated
NaMetal Na -58.81 under-saturated

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