H2O + 16.5 mM   HNO2
+ 7.0 mM   HNO3
+ 21.5 mM   NaOH

pH = 4.05

    (at 25 °C)
Electrical conductivity:   2436.4  µS/cm   (info)
Ionic strength:   21.592  mmol/L   (info)
Alkalinity:   -1.999  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   0.0  meq/L   (info)
Redox potential (Eh):   76  mV  

Elements   (in mM)
Na Na 2.15e+01
Nitrite Nitrite 1.65e+01
N(5) Nitrate 7.00e+00
Aqueous Species   (in mM)
H+ 1.01e-01
OH- 1.30e-07
NaOH 3.72e-10
Na+ 2.15e+01
HNO2 1.90e+00
NO2- 1.46e+01
HNO3 2.68e-05
NO3- 7.00e+00
H2 1.46e-11
Minerals   (Ksp values)
Mineral Formula SI Saturation state
NaMetal Na -48.87 under-saturated

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