7.5.1 - Key Features of a Titration Curve
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Practice Questions
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What does the initial pH represent in a titration?
💡 Hint: Think about what factors determine the acidity of the solution.
What occurs in the buffer region of a titration curve?
💡 Hint: Consider what a buffer does when an acid or base is added.
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Interactive Quizzes
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What is the significance of the buffer region in a titration curve?
💡 Hint: Think about what a buffer does in response to added substances.
True or False: The equivalence point of strong acid-weak base titrations occurs at pH lower than 7.
💡 Hint: Recall the nature of the products formed in the titration.
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Challenge Problems
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You perform a titration of 50 mL of a weak acid with a known concentration of 0.1 M with a strong base. Given that the pKa of the weak acid is 4.76, which indicator would you use and why?
💡 Hint: Consider where the equivalence point will lie based on the nature of the acid.
For a certain titration, you find that the equivalence point occurs when 25 mL of a strong acid has been added to 50 mL of a weak base. Calculate the resulting pH at the equivalence point, considering the weak base's pKb.
💡 Hint: Use the relationship between pKa and pKb to solve!
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