H2O + 50.0 mM   MgHPO4
+ atmospheric CO2   (pCO2 = 3.408)

pH = 7.58

  (at 25 °C)
Electrical conductivity:   2186.7 µS/cm   (info)
Ionic strength:   62.406 mmol/L   (info)
Alkalinity:   50.0 meq/L   (info)
Total hardness:   100.001 meq/L   (info)
Carbonate hardness:   50.0 meq/L   (info)
Redox potential (Eh):   604 mV  

(NOTE: No   preselected minerals   precipitate.)


Elements   (in mM)

C(4) DIC 3.16e-01
Mg Mg 5.00e+01
P P 5.00e+01
O(0) O(0) 2.47e-12

Aqueous Species   (in mM)

H+ 3.11e-05
OH- 4.77e-04
CO2 1.31e-02
HCO3- 2.75e-01
CO3-2 9.03e-04
Mg+2 1.61e+01
MgOH+ 1.24e-03
MgCO3 2.79e-03
MgHCO3+ 2.43e-02
MgH2PO4+ 6.99e-01
MgHPO4 2.98e+01
MgPO4- 3.31e+00
H3PO4 8.59e-06
H2PO4- 2.92e+00
HPO4-2 1.32e+01
PO4-3 6.81e-04
O2 1.24e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Brucite Mg(OH)2 -3.81 under-saturated
Magnesite MgCO3 -0.50 under-saturated
Newberyite MgHPO4:3H2O 1.41 super-saturated
Bobierrite Mg3(PO4)2:8H2O 4.75 super-saturated
Mg3(PO4)2:22H2O Mg3(PO4)2:22H2O 2.64 super-saturated
MgMetal Mg -102.04 under-saturated

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