Answer to Question #79161 in General Chemistry for abigail

Question

1) A 68.0 mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 34.0 mL of KOH at 25 ∘C.

2) Consider the titration of 50.0 mL of 0.20 M NH3 (Kb=1.8×10−5) with 0.20 M HNO3. Calculate the pH after addition of 50.0 mL of the titrant at 25 ∘C.

3)A 30.0-mL volume of 0.50 M CH3COOH (Ka=1.8×10−5) was titrated with 0.50 M NaOH. Calculate the pH after addition of 30.0 mL of NaOH at 25 ∘C.