Chem142_Stoic1_Report_032510-4

Chem142_Stoic1_Report_032510-4 - NAME: Tianxing Wang...

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NAME: Tianxing Wang QUIZ SECTION: AB STUDENT ID: 1030844 LAB PARTNER: Wan,Shu Ki Ja Grading: 30 pts for this template, 5 pts for notebook pages Notebook pages: Purpose/Method section complete? Are they organized and legible? Have you plotted your data as instructed? DATA, CALCULATIONS AND GRAPHS Part I: R Concentration of stock solutions 2 pts Bleach, NaOCl(aq) 6 %m/m NaOCl 3 Mass of 0.500 mL Bleach, g Density of Bleach, g/ml 0.54 1.07 0.55 1.09 0.55 1.09 0.55 1.1 Average Density, g/mL 1.09 Run Number mL of Bleach Grams of Hydrogen Peroxide Run 1 4 1.04 25 Run 2 4 1.52 31 Run 3 4 2.06 46 Run 4 4 2.59 56 Run 5 4 3.01 61 Run 6 4 3.54 76 Run 7 4 4.1 77 Run 8 4 4.55 73 Run 9 4 5.1 77 Run 10 Run 11 Hydrogen Peroxide, H 2 O 2 (aq) % m/m H 2 O 2 mL of Oxygen Generated EXPERIMENT 2: STOICHIOMETRY I. REACTION OF HYDROGEN PEROXIDE AND BLEACH II. REACTION OF IRON (II) WITH 1,10 PHENANTHROLINE Your values for mass and density should have 3 sig figs. By signing below, you certify that you have not falsified data, that you have not plagiarized any part of this lab report, and that all calculations and responses other than the reporting of raw data are your own independent work. Failure to sign this declaration will cost you 5 points. Signature: Note: ALL sections of this report MUST be typed. With this and all future Excel-based reports, make sure that the report prints correctly (graphs, tables, and text boxes are not split across page breaks) before you turn it in. If you print it and it doesn't look okay, then use the tools in Excel to adjust the page breaks.
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2 pts 4.1 g 1 pt 0.121 moles Moles NaOCl at the Eqv Point 0.058 moles 2.09 1 pt 4 pt 4 pt Part II: Iron(II) -Phenanthroline Reaction 3.6 * 10^-3 M 1 pt 0 M 1 pt
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Chem142_Stoic1_Report_032510-4 - NAME: Tianxing Wang...

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