0.9056 g sample of KBrO3 (MM=167.0) was dissolved in dilute HCl and treated with an unmeasured excess of KI. The liberated iodine required 37.21 mL of Na2S2O3. Calculate the molar concentration of sodium thiosulfate.  1 mol BrO3- = 3 mol I2 = 6 mol S2O32-     2.623 M     0.8744 M            0.8791 M     0.2915 M

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Q: A 0.9056 g sample of KBrO3 (MM=167.0) was dissolved in dilute HCl and treated with an unmeasured…

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Q: A. 0.02419 B. 0.02598 C. 0.02718 D. 0.02919

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A: