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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the self-ionization of water?
💡 Hint: Think about what happens to water at a molecular level.
Question 2
Easy
What is Kw?
💡 Hint: It's derived from the concentrations of ions in water.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the ionization constant of water at 25 °C?
- 1.0 × 10⁻¹²
- 1.0 × 10⁻¹⁴
- 1.0 × 10⁻¹⁶
💡 Hint: Consider the equilibrium between hydronium and hydroxide ions.
Question 2
True or False: The concentrations of H⁺ and OH⁻ in pure water are equal.
- True
- False
💡 Hint: Recall water's chemical properties.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A sample has 0.00001 M HCl. Calculate the pH.
💡 Hint: Combine the contributions from water and the acid to solve.
Question 2
How would you expect the pH of a neutral solution to change when an acid is added?
💡 Hint: Consider the equilibrium dynamics involved.
Challenge and get performance evaluation