The Ka of acetic acid is 2×10−5. What is the pH of a 0.5 M solution of acetic acid?
What is the conc. of acetic acid that must be added to 0.5M HCOOH solution so that the dissociation of both acids is the same? [An example of Isohydric solutions] Ka of acetic acid 1.8×10−5,Ka of formic acid = 2.4×10−4