H2O + 250.0 mM   K2SO4
+ 50.0 mM   KH2PO4
+ 50.0 mM   K2HPO4

pH = 6.53

  (at 25 °C)
Electrical conductivity:   44076.1 µS/cm   (info)
Ionic strength:   745.33 mmol/L   (info)
Alkalinity:   50.0 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   50.0 meq/L   (info)
Redox potential (Eh):   660 mV  



Elements   (in mM)

K K 6.50e+02
S S 2.50e+02
S(6) Sulfate 2.50e+02
P P 1.00e+02
O(0) O(0) 6.80e-13

Aqueous Species   (in mM)

H+ 3.97e-04
OH- 5.49e-05
KOH 3.86e-06
K+ 5.48e+02
KSO4- 9.55e+01
KHPO4- 6.82e+00
HSO4- 1.22e-03
SO4-2 1.54e+02
H3PO4 1.39e-03
H2PO4- 5.00e+01
HPO4-2 4.32e+01
PO4-3 6.96e-04
O2 3.40e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Arcanite K2SO4 -0.67 under-saturated
Sulfur S -84.83 under-saturated
KMetal K -61.08 under-saturated

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