Practice Strength Of Acids And Bases: Strong Vs. Weak (7.2)

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6 sample questions

Question 1.
Define a strong acid.
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Think about how readily it donates protons.
Question 2.
Give an example of a weak acid.
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Consider an acid used in cooking or food.
3Question 3.
What defines a strong acid?
- A. Partially dissociates in solution
- B. Completely dissociates in solution
- C. Produces fewer H⁺ ions
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Think about what happens when a strong acid is mixed with water.
4Question 4.
True or False: A weak acid completely dissociates.
- True
- False
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Recall the key definition of weak acids.
Question 5.
If you have a 0.1 M solution of acetic acid, what is the expected pH? Assume Ka for acetic acid is 1.76 x 10^-5.
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Use quadratic approximation or neglect [H⁺] in the denominator if it’s small.
Question 6.
Calculate the Kb for ammonia if the pKb is 4.75.
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Remember that pKb is the logarithmic scale.

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