Calculate the percent ionization of formic acid (HCO2H) in a solution that is 0.219 M in formic acid. The Ka of formic acid is 1.77 × 10- 4.
A) 12.2
B) 3.94 × 10- 5
C) 0.280
D) 0.0180
E) 2.87
Correct Answer:
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