Chemistry Practice Problems Weak Acids Practice Problems Solution: The Ka of hydrazoic acid (HN3) is 1.9 × 10 −5 at 2...

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Solution: The Ka of hydrazoic acid (HN3) is 1.9 × 10 −5 at 25.0°C. What is the pH of a 0.35 M aqueous solution of HN 3?A) 5.23      B) 2.59      C) 2.41      D) -2.46      E) 1.14

Problem

The Ka of hydrazoic acid (HN3) is 1.9 × 10 −5 at 25.0°C. What is the pH of a 0.35 M aqueous solution of HN 3?

A) 5.23      B) 2.59      C) 2.41      D) -2.46      E) 1.14