Acetic acid has

CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Acetic acid has

K_a=1.8\times10^{-5}

. What percent of a 0.050 M acetic acid solution is ionized at equilibrium? (a)

0.95\ \%

(b)

1.9\ \%

(c)

0.72\ \%

(d)

4.2\ \%