H2O + 500.0 mM   MnSO4

pH = 6.28

  (at 25 °C)
Electrical conductivity:   26899.5 µS/cm   (info)
Ionic strength:   945.68 mmol/L   (info)
Alkalinity:   0.0 meq/L   (info)
Total hardness:   1000.0 meq/L   (info)
Carbonate hardness:   0.0 meq/L   (info)
Redox potential (Eh):   679 mV  



Elements   (in mM)

S S 5.00e+02
S(6) Sulfate 5.00e+02
Mn Mn 5.00e+02
Mn(2) Mn(2) 5.00e+02
Mn(3) Mn(3) 6.61e-12
O(0) O(0) 1.50e-12

Aqueous Species   (in mM)

H+ 7.04e-04
OH- 3.23e-05
Mn+2 2.36e+02
Mn+3 6.61e-12
MnOH+ 3.71e-03
MnSO4 2.64e+02
HSO4- 3.04e-03
SO4-2 2.36e+02
O2 7.52e-13

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Pyrochroite Mn(OH)2 -3.96 under-saturated
Mn2(SO4)3 Mn2(SO4)3 -29.24 under-saturated
MnSO4 MnSO4 -5.40 under-saturated
Pyrolusite MnO2 5.39 super-saturated
Birnessite MnO2 3.17 super-saturated
Bixbyite Mn2O3 7.61 super-saturated
Hausmannite Mn3O4 8.24 super-saturated
Manganite MnOOH 3.67 super-saturated
MnS(Green) MnS -114.93 under-saturated
Nsutite Nsutite 4.21 super-saturated
Sulfur S -84.75 under-saturated
MnMetal Mn -64.17 under-saturated

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