Three aqueous solutions are listed below

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

Problem

Three aqueous solutions are listed below. A. pH = 2.5 B. pOH = 3.8 C.

[H_3O^+] = 1.0 \times 10^{-9}\,\text{M}

Rank the solutions from most acidic to most basic. (a) B < A < C (b) A < B < C (c) A < C < B (d) C < A < B