Calculate the pH of a 0.22 M ethylamine solution.

Question

Chemistry

Taniya

25 October, 10:54

Calculate the pH of a 0.22 M ethylamine solution.

+4

Answers (2)

Know the Answer?

Rohan Frazier · Answer 1

pH = 10.1

Explanation:

For weak base solutions [OH] = SqrRt ([Base]·Kb

Then, from pH + pOH = 14 = > pH = 14 - pOH

[OH} = SqrRt[ (0.22) (5.6 x 10⁻⁴) ] = 3.91

pH = 14 - 3.91 = 10.1

Milagros Vasquez · Answer 2

answer is 12.18

Explanation:

(C2H5NH2, Kb = 5.6 x 10-4.)