試題詳解

75. Determine the percent dissociation of a 0.18 M solution of hypochlorous acid, HClO. The Ka for the acid is 3.5 × 10⁻⁸ .
(A) 4.4 × 10⁻² %
(B) 3.5 × 10⁻⁶ %
(C) 6.3 × 10⁻⁹ %
(D) 4.4 × 10⁻⁴ %
(E) 7.9 × 10⁻³ %