What is the pH of 1.0 x 10-5 molar solution of KOH? – InterviewSolution

1.

What is the pH of 1.0 x 10-5 molar solution of KOH?

Answer»

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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