Practice The pH Scale - 7.3.2 | Chapter 8: Acids and Base | IB Grade 12-Chemistry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the pH of a neutral solution at 25°C?

💡 Hint: Recall the definition of neutrality in terms of pH.

Question 2

Easy

If a solution has a [H+] of 1.0 x 10^-5 M, what is its pH?

💡 Hint: Use the formula pH = -log10 [H+].

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 neutral solution at 25°C?

  • 5
  • 7
  • 10

💡 Hint: Think about what neutrality means in a pH context.

Question 2

If [H+] = 1.0 x 10^-6 M, what is the pH?

  • 6
  • 7
  • 8

💡 Hint: Use the pH formula.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a 0.15M solution of hydrochloric acid, calculate its pH. Then, if the concentration of the acid is halved, what is the new pH?

💡 Hint: Remember, strong acids fully dissociate.

Question 2

Calculate the pH of a 0.01M solution of a weak acid with a Ka of 1.0 x 10^-5.

💡 Hint: Make sure to use the ICE table for weak acids.

Challenge and get performance evaluation