H2O + 5.0 mM   H2SO4
+ 1.0 mM   KCl
+ 0.5 mM   CuSO4

pH = 2.13

  (at 25 °C)
Electrical conductivity:   3421.5 µS/cm   (info)
Ionic strength:   13.9 mmol/L   (info)
Alkalinity:   -10.0 meq/L   (info)
Total hardness:   1.0 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   832 mV  



Elements   (in mM)

K K 1.00e+00
S S 5.50e+00
S(6) Sulfate 5.50e+00
Cl Cl 1.00e+00
Cu Cu 5.00e-01
Cu(1) Cu(I) 1.57e-12
Cu(2) Cu(II) 5.00e-01
O(0) O(0) 1.04e-18

Aqueous Species   (in mM)

H+ 8.19e+00
OH- 1.53e-09
KOH 4.09e-13
K+ 9.85e-01
KSO4- 1.54e-02
Cl- 9.99e-01
HSO4- 1.81e+00
SO4-2 3.56e+00
Cu+2 3.87e-01
CuOH+ 3.76e-07
Cu(OH)2 9.40e-11
Cu2(OH)2+2 7.85e-11
CuSO4 1.12e-01
CuCl+ 6.63e-04
CuCl2 2.79e-07
CuCl3- 9.90e-13
CuCl4-2 6.19e-18
Cu+ 1.26e-12
CuCl2- 3.09e-13
CuCl3-2 6.12e-16

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Cu(OH)2 Cu(OH)2 -7.99 under-saturated
Atacamite Cu2(OH)3Cl -11.21 under-saturated
Nantokite CuCl -11.25 under-saturated
Chalcocite Cu2S -93.83 under-saturated
Covellite CuS -79.88 under-saturated
Melanothallite CuCl2 -13.44 under-saturated
Tenorite CuO -6.97 under-saturated
Chalcanthite CuSO4:5H2O -3.62 under-saturated
Antlerite Cu3(OH)4SO4 -13.24 under-saturated
Brochantite Cu4(OH)6SO4 -19.63 under-saturated
Langite Cu4(OH)6SO4:H2O -21.08 under-saturated
Djurleite Cu0.066Cu1.868S -92.80 under-saturated
Anilite Cu0.25Cu1.5S -90.00 under-saturated
BlaubleiI Cu0.6Cu0.8S -80.62 under-saturated
BlaubleiII Cu0.9Cu0.2S -85.39 under-saturated
Sylvite KCl -6.94 under-saturated
Arcanite K2SO4 -6.93 under-saturated
Sulfur S -68.30 under-saturated
KMetal K -66.58 under-saturated
CuMetal Cu -20.26 under-saturated

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