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5.7 g of bleaching powder was suspended ...

5.7 g of bleaching powder was suspended in 500 ml of water. 25 ml of this suspension on treatment with KI and HC1 liberated iodine which reacted with 24.35 ml of `N//10Na_2S_2O_3`. Calculate `%` of available `Cl_2` in bleaching powder.

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`30.33%`
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