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Activity closes on Tuesday 04/22/2025 11:59PM(EDT) Activity cut-off (autosubmit) happens on Tuesday 04/22/2025 11:59PM(EDT) Activity will be marked as complete on the course page once you open the activity (regardless of the score you receive) Data and Report Submission - Sodium Hypochlorite in Bleach (2pts) Determination of the Amount of Sodium Hypochlorite in Commercial Bleach: A Redox Titration Are you completing this experiment online? No Standardization of Sodium Thiosulfate Concentration of KIO (M) 0.025, Table 1. Standardization of NagS703 measurements Table 1. Standardization of NazS03 measurements Trial 1 Trial 2 Initial burette reading (mL) 61.0 0 Final burette reading (mL) 33.3 0 Titration of Bleach Mass of beaker (9) 27.39 Mass of beaker and bleach (g) 37.75 Table 2. Titration of NaOCl measurements Table 2. Titration of NaOCl measurements Trial 1 Trial 2 Initial burette reading (mL) 80.0 0 Final burette reading (mL) 648 0 (23pts) Calculations Use the data collected above to complete the following calculations Table 3. Standarization of sodium thiosulfate solution Table view _ MB List view Table 3. Standarization of sodium thiosulfate solution Trial 1 Trial 2 Concentration of KIO; (M) 0.0250 Initial burette reading (mL) 61.00 0.00 Final burette reading (mL) 33.30 0.00 Volume of NaS20z (mL) 27.708 0.00 @ Moles of 1037 (mol) 0.000625 @ 0.00 ® Moles of $052 (mal) 0.00375 @ 0.009 Concentration of NazS103 solution (M) 0.135 @ 0.008 (-1 pts) Incorrect, (1/1pts) Average concentration of NayS203 (M) OMS 9 Amount of NaOCl in Bleach Sample Mass of beaker (g) 27.3909 Mass of beaker and bleach (g) 37.7509 (1/1pts) Mass of bleach (g) TOES ° Table 4, % NaOCl in bleach Table view ID List view Table 4. % NaOCl in bleach Trial 1 Trial 2 Initial burette reading (mL) 80.00 0.00 Final burette reading (mL) 64.80 0.00 Volume of NayS203 (mL) 15208 0.00 @ Moles of $203" (mol) 0.00202 ® 0.00 @ Moles of OCI neutralized (mol) 0.001026 @ 0.00 @ Moles of OCI" in bleach sample (mol) 0.004104 @ 0.00 8 Mass of NaOCl in bleach sample (g) 0.305 @ 0.00 % NaOCl in bleach sample 2.95 0.00 9 (-1 pts) Incorrect. (1/1pts) 1.475 i] Average % NaOCl in bleach sample 
