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The acid-dissociation constant at 25.0 °C for hypochlorous acid (HClO) is 3.0 ⋅ 10−8. At equilibrium,...

The acid-dissociation constant at 25.0 °C for hypochlorous acid (HClO) is 3.0 ⋅ 10−8. At equilibrium, the molarity of H3O+ in a 0.033 M solution of HClO is ________.

a) 3.2 ⋅ 10−10
b) 0.033
c) 1.48
d) 3.1 ⋅ 10−5
e) 4.50
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