H2O + 100.0 mM   K2HPO4
+ 55.0 mM   KOH

pH = 11.48

  (at 25 °C)
Electrical conductivity:   19778.0 µS/cm   (info)
Ionic strength:   446.5 mmol/L   (info)
Alkalinity:   154.86 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   154.86 meq/L   (info)
Redox potential (Eh):   -322 mV  



Elements   (in mM)

K K 2.55e+02
P P 9.99e+01

Aqueous Species   (in mM)

H+ 4.30e-09
OH- 4.69e+00
KOH 1.70e-01
K+ 2.51e+02
KHPO4- 4.09e+00
H3PO4 2.21e-13
H2PO4- 6.97e-04
HPO4-2 4.57e+01
PO4-3 5.01e+01
H2 5.39e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
KMetal K -44.80 under-saturated

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