7.3.4 - Relationship between pH, pOH, and K_w
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Practice Questions
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What is the pH of a neutral solution at 25 °C?
💡 Hint: Remember what defines neutrality in pH terms.
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
Quick quizzes to reinforce your learning
What is the relationship between pH and pOH?
💡 Hint: Think about the definitions of pH and pOH.
At 25 °C, K_w is equal to?
💡 Hint: Recall the value of K_w at standard temperature.
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Challenge Problems
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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⁻].
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.
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