Question

The acid dissociation K, of propionic acid (C2H3COH) is 1.3 x 10–. Calculate the pH of a 1.8 x 10 *Maqueous solution of propionic acid. Round your answer to 2 decimal places. xs ?

The acid dissociation Ka of propionic acid C2H5CO2H is ×1.310−5. Calculate the pH of a ×1.810−4M aqueous solution of propionic acid. Round your answer to 2 decimal places.

Answer 1

AMA The acid dissociation Constenf, Ka of propanoic acid, C2H5cont is 1.3x10-8. [CmHg cont] =CCM) = 1.8x10-4 (M) Propionic acid is a weak onganicacid and from the following equilibrium in aqueous solution: CzHis coon (aq) + H2060) = Cztly co@(aq) + H2otcom] Initially, C(M) . 0. 0 i atequilibrium, e-ca ... cacah Ca (M) (M) ca initial concentration of the propinic acid 118x10-4 CM) Po fronction of dissociation of propionic acid at equilibrium i Hlaotleym? Czy sex J Ka awhare en gesom vald J I-8x10-@ x 18x10-4 godine > V2:39x10-9 1 4184x10-5 (m) ** PH » – log (tlyot) [feos Sucha dilute solution] 3-69484x10-5) - 4.32