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
What two components make up a buffer solution?
💡 Hint: Think about the pairs that act together.
Question 2
Easy
What is the role of the conjugate base in a buffer?
💡 Hint: Think of it as the 'helper' species.
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 a buffer solution composed of?
- Strong acid and strong base
- Weak acid and conjugate base
- Neutral solutions
💡 Hint: Think of it as a pair that works together.
Question 2
True or False: Buffers completely neutralize acids and bases.
- True
- False
💡 Hint: Remember, they stabilize but don't eliminate.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a buffer solution made of 0.2 M acetic acid and 0.2 M sodium acetate. What would happen to the pH if you added 0.01 moles of HCl?
💡 Hint: Consider how the equilibrium will adjust.
Question 2
Calculate the pH of a buffer with 0.15 M NH3 and 0.10 M NH4Cl. What is the role of NH3 in this buffer?
💡 Hint: Remember to find pKa for NH4+.
Challenge and get performance evaluation