1.Calculate the pH of a solution containing 0.16M hydrazoic acid, HN3, & 0.19M sodium azide, NaN3....

Question

Question

1.Calculate the pH of a solution containing 0.16M hydrazoic acid, HN3, & 0.19M sodium azide, NaN3. The Ka of HN3 is 2.5x10-5.

Answer 1

Answer #1

(Salt] = [NA N2] = 0.190 lacid) = (H N3] = 0.167 Ka = 2.5X105 pH = pka + log (Sall pH = -log (2.5X165) + log (18) pH = 4.68

Answer 2

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