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Diethylamine ((C2H5)2NH) is a weak base. In aqueous solution at 25°C, it reacts with water to...

Diethylamine ((C2H5)2NH) is a weak base. In aqueous solution at 25°C, it reacts with water to produce its conjugate acid, the diethylammonium ion ((C2H5)2NH2+), and the hydroxide ion (OH −).
(a) If the base-dissociation constant (Kb) of diethylamine is 7.0 ✕ 10−4, calculate the acid-dissociation constant (Ka) for the conjugate acid.


(b) What are the corresponding pKa and pKb values for this conjugate acid-base pair?
pKa    
pKb    

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