Chemistry Practice Problems Weak Acid Strong Base Titrations Practice Problems Solution: A 25.0mL sample of 0.150M of hydrazoic acid is tit...

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Solution: A 25.0mL sample of 0.150M of hydrazoic acid is titrated with 0.150M sodium hydroxide solution. What is the pH after 13.3mL of base is added? The Ka of hydrazoic acid is 1.9x10 –5. A. 4.45 B. 3.03 C. 1.34 D. 4.66 E. 4.78

Problem

A 25.0mL sample of 0.150M of hydrazoic acid is titrated with 0.150M sodium hydroxide solution. What is the pH after 13.3mL of base is added? The Ka of hydrazoic acid is 1.9x10 –5.

A. 4.45

B. 3.03

C. 1.34

D. 4.66

E. 4.78