3) Derive the equation pH + POH = 14
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Explanation:
pH and pOH are the log concentrations of protons and hydroxide ions, respectively. The sum of pH and pOH is always 14. This is because the product of proton concentration and hydroxide concentration must always equal the equilibrium constant for the ionization of water, which is equal to .
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Derive the equation pH + POH = 14
By careful and repeated measurements of the conductivity of the water solvent. So Kw=[H3O+][HO−]=10−14. pKw=pH+pOH=14 as required.
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