H2O + 1000.0 mM   NaOH

pH = 13.75

    (at 25 °C)
Electrical conductivity:   143718.0  µS/cm   (info)
Ionic strength:   935.271  mmol/L   (info)
Alkalinity:   1000.0  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   1000.0  meq/L   (info)
Redox potential (Eh):   239  mV  

Elements   (in mM)
Na Na 1.00e+03
O(0) O(0) 1.90e-12
Aqueous Species   (in mM)
H+ 2.38e-11
OH- 9.35e+02
NaOH 6.47e+01
Na+ 9.35e+02
O2 9.48e-13
Minerals   (Ksp values)
Mineral Formula SI Saturation state
NaMetal Na -50.07 under-saturated

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