Homework Answers
It is the case of Basic Buffer
We will use Henderson–Hasselbalch equation i.e.: pH=pKa+log([A−][HA])
Ka for Hypochlorous acid = 7.53
Moles of HOCl = 35.7*0.48 = 17.136 milimoles
Moles of Ba(OH)2 = 0.396*9.09 = 3.6 milimoles
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