Practice Strong And Weak Acids/bases (3) - Unit 8: Acids and Bases

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6 sample questions

Question 1.
Define a strong acid and provide an example.
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Recall the complete ionization in water.
Question 2.
What is a weak base? Give an example.
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Think about bases that only partially accept protons.
3Question 3.
What type of acid completely dissociates in solution?
- Weak Acid
- Strong Acid
- Both
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Consider definitions.
4Question 4.
Do weak bases completely dissociate in water?
- True
- False
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Recall the properties of weak bases.
Question 5.
Calculate the pH of a 0.1 M solution of acetic acid (Ka = 1.8 × 10⁻⁵) using a quadratic equation.
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Remember to consider the approximation if x is small.
Question 6.
A solution contains 0.1 M of a diprotic acid (H₂A), with Ka values being 1.0 × 10⁻⁴ for the first dissociation and 1.0 × 10⁻⁸ for the second. Find the pH.
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Take the first dissociation primarily at moderate concentrations.

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