Question: A solution is 0 . 0 5 0 M in NH 4 Cl and 0 . 0 3 0 0 M in NH 3 (

A solution is 0.050 M in NH4Cl and 0.0300 M in NH3(Ka (NH4+)=5.70x10^-10). Calculate its OH- concentration and its pH.

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