7.4.1 - Composition of Buffer Solutions
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Practice Questions
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What two components make up a buffer solution?
💡 Hint: Think about the pairs that act together.
What is the role of the conjugate base in a buffer?
💡 Hint: Think of it as the 'helper' species.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a buffer solution composed of?
💡 Hint: Think of it as a pair that works together.
True or False: Buffers completely neutralize acids and bases.
💡 Hint: Remember, they stabilize but don't eliminate.
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Challenge Problems
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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.
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+.
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