Calculate the pH of a 0.10 ,M aqueous solution of acetic acid,

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

Problem

Calculate the pH of a 0.10\,M aqueous solution of acetic acid,

\mathrm{CH_3COOH}

, if

K_a = 1.8 \times 10^{-5}

at 25\,

^{\circ}

C. (a)

1.87

(b)

2.37

(c)

2.87

(d)

4.74