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: Remember what defines neutrality in pH terms.
Question 2
Easy
If [H⁺] = 1.0 x 10⁻⁴ M, what is the pH?
💡 Hint: Use the formula pH = -log₁₀[H⁺].
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the relationship between pH and pOH?
- pH + pOH = 14
- pH + pOH = 0
- pH - pOH = 14
💡 Hint: Think about the definitions of pH and pOH.
Question 2
At 25 °C, K_w is equal to?
- True
- False
💡 Hint: Recall the value of K_w at standard temperature.
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Challenge Problems
Push your limits with challenges.
Question 1
If a solution has a pH of 8, what is the [H⁺] and [OH⁻] concentration? Show your calculations.
💡 Hint: First, calculate [H⁺] using the pH value, then use K_w to find [OH⁻].
Question 2
A researcher has a solution where [OH⁻] is measured at 1.0 x 10⁻¹² M. Determine the pOH and pH.
💡 Hint: Start by calculating pOH then use the earlier relationship to find pH.
Challenge and get performance evaluation