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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the pH of a 0.001 M HCl solution.
💡 Hint: Use the formula pH = -log₁₀([H⁺]).
Question 2
Easy
What is the pH of pure water at 25 °C?
💡 Hint: Think about the concentrations of H⁺ and OH⁻ 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 pH of a 0.001 M solution of HCl?
- 1.0
- 3.0
- 7.0
💡 Hint: Use pH = -log₁₀([H⁺]).
Question 2
True or False: A strong base like NaOH does not completely dissociate in solution.
- True
- False
💡 Hint: Think about the definition of strong acids and bases.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the pH of a 2.50 × 10⁻⁵ M solution of H₂SO₄ considering both dissociations.
💡 Hint: Account only for the first dissociation for weak acids.
Question 2
Determine the final pH when 15 mL of 0.050 M KOH is added to 25 mL of 0.10 M acetic acid (CH₃COOH).
💡 Hint: Use the initial concentrations and final volumes to find new concentrations.
Challenge and get performance evaluation