H2O + 1.0 mM   (NH4)2CO3

pH = 9.18

    (at 25 °C)
Electrical conductivity:   132.2  µS/cm   (info)
Ionic strength:   1.163  mmol/L   (info)
Alkalinity:   2.0  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   2.0  meq/L   (info)
Redox potential (Eh):   540  mV  

Elements   (in mM)
C(4) DIC 1.00e+00
Amm Ammonium 2.00e+00
O(0) O(0) 2.82e-10
Aqueous Species   (in mM)
H+ 6.79e-07
OH- 1.59e-02
CO2 1.31e-03
HCO3- 9.25e-01
CO3-2 7.41e-02
NH4+ 1.09e+00
NH3 9.11e-01
O2 1.41e-10

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