Practice Effects Of Ionization Of Water (autoprotolysis) (2.4)

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6 sample questions

Question 1.
What is the self-ionization of water?
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Think about what happens to water at a molecular level.
Question 2.
What is Kw?
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It's derived from the concentrations of ions in water.
3Question 3.
What is the ionization constant of water at 25 °C?
- 1.0 × 10⁻¹²
- 1.0 × 10⁻¹⁴
- 1.0 × 10⁻¹⁶
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Consider the equilibrium between hydronium and hydroxide ions.
4Question 4.
True or False: The concentrations of H⁺ and OH⁻ in pure water are equal.
- True
- False
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Recall water's chemical properties.
Question 5.
A sample has 0.00001 M HCl. Calculate the pH.
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Combine the contributions from water and the acid to solve.
Question 6.
How would you expect the pH of a neutral solution to change when an acid is added?
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Consider the equilibrium dynamics involved.

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