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The base-dissociation constant, Kb , for pyridine, C5H5N , is 1.4 × 10-9 . The acid-dissociation constant, Ka , for the pyridinium ion, + C5H5NH is __________.

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The base-dissociation constant, Kb , for pyridine, C5H<sub>5</sub>N , is 1.4 × 10-9 . The acid-dissociation constant, Ka , for the pyridinium ion, + C5H<sub>5</sub>NH is __________.






 
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