Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a weak acid.
💡 Hint: Think about how weak acids behave compared to strong acids.
Question 2
Easy
What is Ka?
💡 Hint: Remember, larger Ka means a stronger acid.
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 true about weak acids?
- A. They completely ionize in solution.
- B. They establish an equilibrium in solution.
- C. They are always stronger than strong acids.
💡 Hint: Recall the definition of weak acids.
Question 2
Ka represents what in relation to weak acids?
- True
- False
💡 Hint: Remember the relationship between Ka and acid strength.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A weak acid (HA) is 0.2 M with a Ka of 3.6 × 10⁻⁵. What is the pH of this solution?
💡 Hint: Solve for x using the quadratic approximation and then calculate pH.
Question 2
If a weak acid’s percent ionization is 4% at a concentration of 0.1 M, what is the Ka?
💡 Hint: Remember the equation for percent ionization.
Challenge and get performance evaluation