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Benzoic Acid, HC7H5O2, Has an Ionization Constant with the Value

Question 117

Multiple Choice

Benzoic acid, HC7H5O2, has an ionization constant with the value: Ka = 6.4 × 10-5. Calculate the value of pKb for the benzoate ion, C7H5O2-, the conjugate base of benzoic acid.


A) 4.19
B) 4.35
C) 9.65
D) 9.81
E) 13.46

Correct Answer:

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