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A buffer solution contains 0.317 M hypochlorous acid and 0.415 M sodium hypochlorite. If 0.0515 moles of hydroiodic acid are added to 250 ml of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding hydroiodic acid) Hypochlorous acid HClO Ka1=3.5x10-8

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