Practice - The pH and pOH Scales
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Practice Questions
Test your understanding with targeted questions
What is the pH of a solution with [H⁺] = 1.0 × 10⁻⁵ M?
💡 Hint: Use the formula pH = -log₁₀[H⁺].
If a solution has a pH of 8, what is the pOH?
💡 Hint: Use the relationship pH + pOH = 14.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a pH of 7 indicate?
💡 Hint: Think about the middle point of the pH scale.
True or False: pH and pOH always sum to 14 at any temperature.
💡 Hint: Consider how temperature affects the concentration of ions in water.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A 0.1 M solution of acetic acid has a Ka of 1.8 × 10⁻⁵. Calculate its pH.
💡 Hint: Use the assumption for weak acids that x will be small compared to C₀.
If a solution has a pH of 4, what is the concentration of H⁺ ions in moles per liter?
💡 Hint: Remember the inverse relation between pH and concentrations.
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