1.

When 10 ml of 0.1 M acetic acid (\[p{{K}_{a}}\]. = 5.0) is titrated against 10ml of 0.l Mammonia solution (\[p{{K}_{b}}\]=5.0), the equivalence point occurs at pH

A. 5.0                   
B. 6
C. 7.0                  
D. 9
Answer» D. 9


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