H2O + 2.3 mM   MgCl2
+ 3.8 mM   CaCl2
+ 5.0 mM   KHCO3
+ atmospheric CO2   (pCO2 = 3.408)

pH = 8.03

  (at 25 °C)
Electrical conductivity:   1588.8 µS/cm   (info)
Ionic strength:   16.899 mmol/L   (info)
Alkalinity:   0.779 meq/L   (info)
Total hardness:   7.978 meq/L   (info)
Carbonate hardness:   0.779 meq/L   (info)
Redox potential (Eh):   582 mV  

NOTE:   One  mineral  precipitates.


Elements   (in mM)

C(4) DIC 7.75e-01
Ca Ca 1.69e+00
Mg Mg 2.30e+00
K K 5.00e+00
Cl Cl 1.22e+01
O(0) O(0) 4.75e-12

Aqueous Species   (in mM)

H+ 1.03e-05
OH- 1.24e-03
CO2 1.33e-02
HCO3- 7.25e-01
CO3-2 5.34e-03
Ca+2 1.67e+00
CaCO3 5.53e-03
CaHCO3+ 9.40e-03
CaOH+ 2.07e-05
Mg+2 2.28e+00
MgOH+ 6.21e-04
MgCO3 4.34e-03
MgHCO3+ 1.20e-02
KOH 1.64e-06
K+ 5.00e+00
Cl- 1.22e+01
O2 2.37e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Calcite CaCO3 0.00 2.11e+00 mM  precipitates
Portlandite Ca(OH)2 -9.72 under-saturated
Brucite Mg(OH)2 -3.62 under-saturated
Aragonite CaCO3 -0.14 under-saturated
Vaterite CaCO3 -0.57 under-saturated
CaCO3(a) CaCO3 -2.08 under-saturated
Ikaite CaCO3:6H2O -1.86 under-saturated
Dolomite CaMg(CO3)2 0.27 super-saturated
Magnesite MgCO3 -0.31 under-saturated
Sylvite KCl -5.16 under-saturated
Hydrophilite CaCl2 -18.68 under-saturated
Bischofite MgCl2:6H2O -11.19 under-saturated
Antarcticite CaCl2:6H2O -11.03 under-saturated
K2CO3:1.5H2O K2CO3:1.5H2O -13.25 under-saturated
MgMetal Mg -101.99 under-saturated
KMetal K -61.64 under-saturated

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