Practice Relation Between Ka And Kb (6.11.5) - Equilibrium

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6 sample questions

Question 1.
What does Ka represent?
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Think of it as a measure of acidity in solution.
Question 2.
What is the relationship between Ka and Kb?
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Consider the ion product of water.
3Question 3.
What is the product of Ka and Kb?
- Kw
- Kw/2
- Kw^2
- 1
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Consider water's equilibrium constant.
4Question 4.
If an acid is strong, does it imply its conjugate base is weak?
- True
- False
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Think about dissociation strength.
Question 5.
Calculate the Kb for a conjugate base if Ka = 3.5 × 10^−4.
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Use Kw = Ka × Kb.
Question 6.
If a buffer solution made of 0.2 M acetic acid and 0.1 M sodium acetate has a pH close to what level?
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Use the Henderson-Hasselbalch equation for buffers.

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