H2O + 5.0 mM   (NH4)2CO3

pH = 9.2

    (at 25 °C)
Electrical conductivity:   635.8  µS/cm   (info)
Ionic strength:   5.876  mmol/L   (info)
Alkalinity:   10.0  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   10.0  meq/L   (info)
Redox potential (Eh):   -174  mV  

Elements   (in mM)
C(4) DIC 5.00e+00
Amm Ammonium 1.00e+01
Aqueous Species   (in mM)
H+ 6.75e-07
OH- 1.73e-02
CO2 5.94e-03
HCO3- 4.56e+00
CO3-2 4.32e-01
NH4+ 5.44e+00
NH3 4.56e+00
H2 2.17e-13

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