Mathematics · Water Analysis and Titration
When a 50 mL water sample was treated with 10 mL of 10% KI solution and titrated with N/50 Hypo solution using starch as an indicator, 2.5 mL of Hypo solution was required to reach the end point. Calculate the concentration of free chlorine (in ppm) in the given water sample.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 30.0355
- 40.001
Correct answer
35.5
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