0.6465 grams of bleach, Ca(OCl)2, is dissolved in acid and treated with excess KI. Calculate the weight percent of Ca(OCl)2 in the bleaching powder when the released iodine is titrated with 36.92 mL of 0.06608 M Na2S2O3 (MaCa(OCl)2: 143 g/mol). A.  6,74

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