E-STAR - Student

Calculate the Ka value of a 0.2 M aqueous solution of propionic acid (CH₃CH₂CO₂HCH₃CH₂CO₂H) with a pH of 4.88.

CH₃CH₂CO₂H + H₂O ⇋ H₃O⁺ + CH₃CH₂CO₂^-

8.69 x 10^-10

6.69 x 10^-10

8.69 x 10^-1

6.69 x 10^-1