A 0.100 M aqueous solution of ammonia, NH

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

Problem

_3

, is 4.5 % ionized at 25 °C. What is the

pK_a

of its conjugate acid, NH

_4^{+}

? (a)

12.7

(b)

3.69

(c)

10.3

(d)

8.31