H2O + 1400.0 mM   H2O2
+ 10.0 mM   NaOH

pH = 11.95

    (at 25 °C)
Electrical conductivity:   2269.1  µS/cm   (info)
Ionic strength:   9.74  mmol/L   (info)
Alkalinity:   9.754  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   9.754  meq/L   (info)
Redox potential (Eh):   564  mV  

Elements   (in mM)
Na Na 9.75e+00
O(0) O(0) 1.37e+03
Aqueous Species   (in mM)
H+ 1.23e-09
OH- 9.74e+00
NaOH 1.37e-02
Na+ 9.74e+00
O2 6.83e+02
Minerals   (Ksp values)
Mineral Formula SI Saturation state
NaMetal Na -57.44 under-saturated

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