H2O + 30.0 mM   NH4OH

pH = 10.86

    (at 25 °C)
Electrical conductivity:   197.5  µS/cm   (info)
Ionic strength:   0.739  mmol/L   (info)
Alkalinity:   29.984  meq/L   (info)
Total hardness:   0.0  meq/L   (info)
Carbonate hardness:   29.984  meq/L   (info)
Redox potential (Eh):   408  mV  

Elements   (in mM)
Amm Ammonium 3.00e+01
O(0) O(0) 1.77e-12
Aqueous Species   (in mM)
H+ 1.44e-08
OH- 7.39e-01
NH4+ 7.39e-01
NH3 2.92e+01
O2 8.86e-13

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