H2O + 20.0 mM   K2HPO4

pH = 9.32

  (at 25 °C)
Electrical conductivity:   3937.1 µS/cm   (info)
Ionic strength:   58.799 mmol/L   (info)
Alkalinity:   20.0 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   20.0 meq/L   (info)
Redox potential (Eh):   514 mV  



Elements   (in mM)

K K 4.00e+01
P P 2.00e+01
O(0) O(0) 1.65e-11

Aqueous Species   (in mM)

H+ 5.69e-07
OH- 2.59e-02
KOH 2.27e-04
K+ 3.94e+01
KHPO4- 6.14e-01
H3PO4 4.26e-09
H2PO4- 7.89e-02
HPO4-2 1.93e+01
PO4-3 5.28e-02
O2 8.25e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
KMetal K -59.64 under-saturated

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