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Derive the formula for Kh and [H^+] concentration for a solution of strong acid and weak base.

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Derive the formula for Kh and [H+] concentration for a solution of strong acid and weak base.

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Consider an example of NH4Cl. It ionizes in water completely into NH+4 and Cl– ions. NH+4 ions react with water to form a weak base (NH4 OH) and H3O+ ions.

∴ H3O+ ion concentration increases and the solution becomes acidic.
Applying law of mass action,

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