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प्रश्न
What is the pOH if the hydrogen ion concentration in solution is 1 × 10–3 mol dm–3?
उत्तर
pH = – log10[H3O+] = - log10[1 × 10-3] = 3
pH + pOH = 14
∴ pOH = 14 − pH = 14 – 3 = 11
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