H2O + 5.0 mM   H2SO4
+ 0.8992 mM   CaCO3
+ 20.0 mM   H2O2

pH = 2.21

  (at 25 °C)
Electrical conductivity:   2810.4 µS/cm   (info)
Ionic strength:   12.209 mmol/L   (info)
Alkalinity:   -8.199 meq/L   (info)
Total hardness:   1.798 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   1113 mV  



Elements   (in mM)

C(4) DIC 8.99e-01
Ca Ca 8.99e-01
S S 5.00e+00
S(6) Sulfate 5.00e+00
O(0) O(0) 2.00e+01

Aqueous Species   (in mM)

H+ 6.75e+00
OH- 1.83e-09
CO2 8.99e-01
HCO3- 7.29e-05
CO3-2 7.74e-13
Ca+2 6.97e-01
CaSO4 1.94e-01
CaCO3 3.78e-13
CaHSO4+ 7.81e-03
CaHCO3+ 4.19e-07
CaOH+ 1.36e-11
HSO4- 1.44e+00
SO4-2 3.36e+00
O2 1.00e+01

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Calcite CaCO3 -10.17 under-saturated
Gypsum CaSO4:2H2O -1.43 under-saturated
Portlandite Ca(OH)2 -21.72 under-saturated
Aragonite CaCO3 -10.31 under-saturated
Vaterite CaCO3 -10.73 under-saturated
CaCO3(a) CaCO3 -12.24 under-saturated
Ikaite CaCO3:6H2O -12.02 under-saturated
Anhydrite CaSO4 -1.65 under-saturated
Sulfur S -97.40 under-saturated

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