A 25.0 mL sample of 0.150 mol L-1 aqueous hydrazoic acid is titrated with a 0.150 mol L-1 NaOH(aq) solution.What is the pH after 13.3 mL of base is added?
The Of hydrazoic acid is 1.9 × 10-5.
A) 4.45
B) 1.34
C) 3.03
D) 4.78
E) 4.66
Correct Answer:
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