Problem 4.7: A sample has pH 9 at 25C Calculate a the pOH b
From Chapter 4 Problem Set. Level 2: Applied Thinking.
Question
A sample has pH 9 at 25°C. Calculate (a) the pOH, (b) [OH⁻], and (c) [H⁺].
Answer
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(a) pOH = 14 − 9 = 5. (b) [OH⁻] = 10⁻⁵ mol/L. (c) [H⁺] = 10⁻⁹ mol/L.