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Question
What is the pH of 1.0 × 10–5 molar solution of KOH?
Sum
Solution
KOH → K+ + OH–
pOH = -log[OH–]
= -log [1 × 10-5]
pOH = 5
pH + pOH = 14
∴ pH of KOH = 14 – 5 = 9
pH = 9
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Ph Calculation
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Chapter 10: Types of Chemical Reactions - Evaluation [Page 154]
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