Practice - Quantitative Measures: pH, pOH, and K_w
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Practice Questions
Test your understanding with targeted questions
What is the pH of a neutral solution at 25°C?
💡 Hint: Consider the equilibrium of water.
If the [H⁺] is 1 × 10⁻¹⁴ M, what is the pOH?
💡 Hint: Use the relationship pH + pOH = 14.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the pH of a neutral solution at 25°C?
💡 Hint: Consider the properties of pure water.
If [OH⁻] = 1 x 10⁻⁴ M, what is the pH?
💡 Hint: Calculate pOH first.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the pH of a 0.25 M ammonium hydroxide solution (a weak base) using Kb = 1.76 × 10⁻⁵.
💡 Hint: Start with [B] as the base.
How would the pH change if K_w were to increase to 2.0 × 10⁻¹⁴ at elevated temperature? Discuss the implications for acid-base behavior in solutions.
💡 Hint: Consider the shifts in concentrations of both ions.
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