Practice Weak Base vs. Strong Acid Titration - 4.4 | Unit 8: Acids and Bases | IB Grade 11: Chemistry
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4.4 - Weak Base vs. Strong Acid Titration

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the key step to determine initial pH when titrating a weak base with a strong acid?

💡 Hint: Recall the equilibrium reaction of the weak base.

Question 2

Easy

Define the equivalence point in titration.

💡 Hint: Think about the reaction stoichiometry.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What determines the pH of a solution immediately after reaching the equivalence point when titrating a weak base with a strong acid?

  • A) The concentration of the strong acid present
  • B) The concentration of the weak base present
  • C) The initial pH of the weak base
  • D) The volume of acid added

💡 Hint: Think about what happens after all of the weak base is consumed.

Question 2

True or False: The equivalence point for a weak base and strong acid titration is always neutral (pH = 7).

  • True
  • False

💡 Hint: Consider the properties of the resulting conjugate acid.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the final pH when 30 mL of 0.100 M HCl is added to 25 mL of 0.100 M NH3. Show detailed steps.

💡 Hint: Focus on consistent unit usage and stoichiometry.

Question 2

If a weak base with Kb = 1.0 × 10⁻⁵ is titrated with 0.200 M strong acid, derive the key points of the titration curve and calculate pH at equivalence.

💡 Hint: Pay careful attention to the equilibrium relationships at play.

Challenge and get performance evaluation