H2O + 100.0 mM   NaH2PO4
+ atmospheric  CO2   (pCO2 = 3.408)

pH = 4.46

    (at 25 °C)
Electrical conductivity:   4349.1  µS/cm   (info)
Ionic strength:   100.402  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):   67  mV  

Elements   (in mM)
C(4) DIC 1.32e-02
Na Na 1.00e+02
P P 1.00e+02
Aqueous Species   (in mM)
H+ 4.21e-02
OH- 3.77e-07
CO2 1.30e-02
HCO3- 2.15e-04
CO3-2 5.94e-10
NaOH 3.99e-09
Na+ 1.00e+02
NaHCO3 7.29e-06
NaCO3- 4.23e-10
NaHPO4- 2.64e-02
H3PO4 3.71e-01
H2PO4- 9.92e+01
HPO4-2 3.86e-01
PO4-3 1.85e-08
H2 4.63e-12
Minerals   (Ksp values)
Mineral Formula SI Saturation state
Nahcolite NaHCO3 -7.33 under-saturated
Trona NaHCO3:Na2CO3:2H2O -21.94 under-saturated
Natron Na2CO3:10H2O -13.56 under-saturated
Thermonatrite Na2CO3:H2O -14.98 under-saturated
Na3PO4(cr) Na3PO4 -19.04 under-saturated
NaMetal Na -48.09 under-saturated

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