For Pyridine,pK_b = 8

question 4

Multiple Choice

For pyridine,pK_b = 8.75.What is the pH of an aqueous buffer solution that is 0.300 M C₅H₅N(aq) and 0.500 M C₅H₅NHCl(aq) ?

• A)8.53
• B)5.25
• C)8.97
• D)5.47
• E)5.03

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