H2O + 70.0 mM   HCl
+ 35.0 mM   Mg(OH)2
+ 2.0 mM   CuCl2
+ atmospheric CO2   (pCO2 = 3.408)

pH = 4.96

  (at 25 °C)
Electrical conductivity:   7398.4 µS/cm   (info)
Ionic strength:   110.557 mmol/L   (info)
Alkalinity:   -0.01 meq/L   (info)
Total hardness:   73.893 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   809 mV  

NOTE:   One  mineral  precipitates.


Elements   (in mM)

C(4) DIC 1.40e-02
Mg Mg 3.50e+01
Cl Cl 7.39e+01
Cu Cu 1.99e+00
Cu(1) Cu(I) 1.20e-08
Cu(2) Cu(II) 1.99e+00
O(0) O(0) 6.06e-09

Aqueous Species   (in mM)

H+ 1.33e-02
OH- 1.21e-06
CO2 1.30e-02
HCO3- 6.91e-04
CO3-2 6.19e-09
Mg+2 3.50e+01
MgOH+ 5.77e-06
MgCO3 2.99e-08
MgHCO3+ 1.15e-04
Cl- 7.38e+01
HClO 3.11e-17
Cu+2 1.84e+00
CuOH+ 8.60e-04
Cu(OH)2 1.22e-04
Cu(OH)3- 8.86e-13
Cu2(OH)2+2 5.19e-04
CuCO3 8.71e-06
Cu(CO3)2-2 7.20e-14
CuHCO3+ 2.51e-04
CuCl+ 1.41e-01
CuCl2 3.15e-03
CuCl3- 8.40e-07
CuCl4-2 4.92e-10
Cu+ 1.06e-11
CuCl2- 1.01e-08
CuCl3-2 1.87e-09
O2 3.03e-09

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Brucite Mg(OH)2 -8.78 under-saturated
Cu(OH)2 Cu(OH)2 -1.86 under-saturated
Atacamite Cu2(OH)3Cl 0.00 3.37e-03 mM  precipitates
Nantokite CuCl -8.60 under-saturated
Magnesite MgCO3 -5.46 under-saturated
CuCO3 CuCO3 -5.15 under-saturated
Melanothallite CuCl2 -9.38 under-saturated
Tenorite CuO -0.84 under-saturated
Malachite Cu2(OH)2CO3 -2.82 under-saturated
Azurite Cu3(OH)2(CO3)2 -5.87 under-saturated
Bischofite MgCl2:6H2O -8.76 under-saturated
MgMetal Mg -108.70 under-saturated
CuMetal Cu -19.03 under-saturated

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