H2O + 0.6857 mM   HCl
+ 0.5872 mM   NH3
+ 0.0293 mM   H2S

pH = 4.01

    (at 25 °C)
Electrical conductivity:   41778.8  µS/cm   (info)
Ionic strength:   485.257  mmol/L   (info)
Alkalinity:   20.75  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   20.75  meq/L   (info)
Redox potential (Eh):   892  mV  

Elements   (in mM)
Na Na 4.71e+02
Cl Cl 4.00e+02
P P 5.00e+01
O(0) O(0) 1.60e+03
Aqueous Species   (in mM)
H+ 4.83e-04
OH- 4.14e-05
NaOH 1.55e-06
Na+ 4.68e+02
NaHPO4- 3.12e+00
Cl- 4.00e+02
ClO- 2.98e-13
ClO3- 1.86e-15
ClO4- 6.28e-14
HClO 2.61e-12
H3PO4 1.03e-03
H2PO4- 2.92e+01
HPO4-2 1.76e+01
PO4-3 1.81e-04
O2 8.00e+02
Minerals   (Ksp values)
Mineral Formula SI Saturation state
Halite NaCl -2.65 under-saturated
Na3PO4(cr) Na3PO4 -13.79 under-saturated
NaMetal Na -61.41 under-saturated

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