H2O + 18.0 mM   NaH2PO4
+ 2.0 mM   Na2HPO4

pH = 6.05

  (at 25 °C)
Electrical conductivity:   1161.7 µS/cm   (info)
Ionic strength:   23.912 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):   693 mV  



Elements   (in mM)

Na Na 2.20e+01
P P 2.00e+01
O(0) O(0) 1.96e-12

Aqueous Species   (in mM)

H+ 1.01e-03
OH- 1.31e-05
NaOH 3.80e-08
Na+ 2.20e+01
NaHPO4- 4.57e-02
H3PO4 1.90e-03
H2PO4- 1.80e+01
HPO4-2 1.96e+00
PO4-3 2.10e-06
O2 9.82e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Na3PO4(cr) Na3PO4 -18.39 under-saturated
NaMetal Na -59.29 under-saturated

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