Find the pH of the following solutions. First write the balanced equilibrium equation of this salt in water. Determine whether the ion that determines the pH of the solution is a Brønsted acid or a Brønsted base, then start your calculations a) What is the Kb for ammonia? b) What is the Ka for hydrofluoric acid? c) What is the pH of 0.025 M ammonium nitrate? d) What is the pH of 0.025 M NaF?

Introductory Chemistry: An Active Learning Approach
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Chapter17: Acid-base(proton Transfer) Reactions
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Problem 74E
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Find the pH of the following solutions. First write the balanced equilibrium equation of this

salt in water. Determine whether the ion that determines the pH of the solution is a Brønsted

acid or a Brønsted base, then start your calculations

  1. a) What is the Kb for ammonia?
  2. b) What is the Ka for hydrofluoric acid?
  3. c) What is the pH of 0.025 M ammonium nitrate?
  4. d) What is the pH of 0.025 M NaF?
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