H2O + 0.8803 mM   H2S

pH = 5.0

  (at 25 °C)
Electrical conductivity:   4.1 µS/cm   (info)
Ionic strength:   0.01 mmol/L   (info)
Alkalinity:   0.0 meq/L   (info)
Total hardness:   0.0 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   -133 mV  



Elements   (in mM)

S S 8.80e-01
S(6) Sulfate 2.33e-09
S(4) Sulfite 2.78e-16
S(-2) Sulfide 8.80e-01

Aqueous Species   (in mM)

H+ 1.00e-02
OH- 1.01e-06
HSO4- 2.23e-12
SO4-2 2.33e-09
H2S 8.70e-01
HS- 1.00e-02
S-2 1.23e-10
HSO3- 2.76e-16
SO3-2 1.89e-18
H2 2.16e-06

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Sulfur S -2.38 under-saturated

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