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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the dissociation equation for a weak acid?
💡 Hint: Think about what happens when a weak acid is added to water.
Question 2
Easy
What is Ka?
💡 Hint: Recall the equilibrium expressions we studied.
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 is the formula for calculating Ka?
- Ka = [H+][A-]/[HA]
- Ka = [HA]/[H+][A-]
- Ka = [B+][OH-]/[B]
💡 Hint: Remember the definitions linked to weak acids.
Question 2
True or False: The percent ionization of a strong acid is high.
- True
- False
💡 Hint: Think about the behavior of strong versus weak acids.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the percent ionization of a weak acid with a concentration of 0.10 M and Ka = 1.0 × 10⁻⁵.
💡 Hint: Use the formula for percent ionization we've discussed.
Question 2
Determine the pH of a solution of a weak base with [OH⁻] concentration of 0.005 M.
💡 Hint: This requires using the logarithmic pOH to find pH.
Challenge and get performance evaluation