Practice Ph Calculations And Indicators (2) - Unit 8: Acids and Bases - IB 11 Chemistry
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pH Calculations and Indicators

Practice - pH Calculations and Indicators

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Practice Questions

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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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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