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Formic Acid, HCO2H, Has an Ionization Constant with the Value

Question 66

Multiple Choice

Formic acid, HCO2H, has an ionization constant with the value: Ka = 1.76 × 10?4. Calculate the value of pKb for the formate ion, CO2H-, the conjugate base of formic acid.


A) 3.75
B) 5.35
C) 8.65
D) 10.25
E) 12.24

Correct Answer:

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