KAI LING CHEM111_Lab06-Peroxide_Report_form

KAI LING CHEM111_Lab06-Peroxide_Report_form -...

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Biodecomposition of H 2 O 2 - Report Form EACH STUDENT WILL SUBMIT THEIR OWN LAB REPORT AND CALCULATIONS. BOTH OF THESE MUST BE COMPLETED BY THE INDIVIDUAL STUDENT. Name: Kai Ling Lab Partner(s): Mohamed Elsanbaly Room temperature ( o C) 22 Room temperature (K) 295 Barometric pressure (mm Hg) 753.9 - Water vapor pressure (mm Hg) 19.8 = Pressure of oxygen gas (mm Hg) 734.1 Pressure of oxygen gas (atm) 0.966 Results: Known H 2 O 2 sample Sample 1 Sample 2 Mass % of known H 2 O 2 solution 3 % Mass of H 2 O 2 solution (g) 3.5660 3.7790 Mass of H 2 O 2 in solution sample (g) 0.107 0.113 Moles of H 2 O 2 0.00315 0.00333 Theoretical moles of O 2 produced 0.00157 0.00167 Theo. volume of O 2 produced (mLs) 39.4 41.8 Final burette reading (mLs)
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Unformatted text preview: 48.69 43.69- Initial burette reading (mLs) 7.45 5.50 = Volume of O 2 measured (mLs) 41.24 38.19 Percent error in volume 4.61% 8.59% Results: Unknown H 2 O 2 sample Sample 1 Sample 2 Unknown sample number 214 Mass of unknown H 2 O 2 solution (g) 3.7378 3.4720 Final burette reading (mLs) 43.90 36.50- Initial burette reading (mLs) 4.70 1.85 = Volume of O 2 measured (mLs) 39.20 34.65 Moles of O 2 produced 0.0156 0.0138 Calculated moles of H 2 O 2 consumed 0.0313 0.0277 Mass of H 2 O 2 (g) 1.06 0.940 Mass percent H 2 O 2 in solution 2.85% 2.71% Average mass percent of unknown 2.78%...
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  • Fall '07
  • Chemistry, Vapor pressure, mm Hg

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