Practice Buffer Capacity - 7.4.3 | Chapter 8: Acids and Base | IB 12 Chemistry
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Buffer Capacity

7.4.3 - Buffer Capacity

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Practice Questions

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Question 1 Easy

Define buffer capacity.

💡 Hint: Think about the role of buffers in pH stabilization.

Question 2 Easy

What components typically make up a buffer?

💡 Hint: Consider the acid-base pairs.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What defines buffer capacity?

The amount of acid a buffer can handle.
The ability to change pH rapidly.
The ability to resist pH changes.

💡 Hint: Think about what buffers actually do.

Question 2

True or False: Buffers are only made of weak acids.

True
False

💡 Hint: Remember the definitions of buffer systems.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a buffer system that can maintain a pH of 7.4, suitable for biological applications. Which weak acid and its conjugate base would you choose?

💡 Hint: Use the Henderson-Hasselbalch equation to support your argument.

Challenge 2 Hard

A buffer composed of acetic acid and sodium acetate has a capacity for 0.1 M of strong acid. Calculate how many moles of strong acid can be added before the pH starts to decline significantly.

💡 Hint: Consider which concentrations are involved and how they interact.

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