What is the hydronium ion concentration of a 0. 150 mol L-1 hypochlorous acid solution with Ka=3.5 x 10-8 ? The equation for the dissociation of hypochlorous acid is below: HOCl(aq) +H2O(l) ⇌ H3O+(aq) +OCl-(aq)
A) 1.9 × 10-4 mol L-1
B) 7.2 × 10-4 mol L-1
C) 2.8 × 10-5 mol L-1
D) 7.2 × 10-5 mol L-1
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