Experiment 9 -...

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Redox Titration of a Metal Oxalate Complex with Permanganate Sidney Sherrill Emily Teeter Nick Zahn April 4, 2011 Chem 1212K-A01 I certify this work is my own. ___________________________________
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Data/Results Part A Ru n Grams of Na C O used ₂ ₂ ₄ in titration Volume of KMnO used in titration Molarity of KMnO 1 0.105 .0280 L 0.0112 2 0.104 .0317 L 0.01 Part B Ru n Grams of K [Fe(C O ) ·H ₂ ₄ ₃ O used in titration Grams of oxalate reacted with MnO ₄⁻ Weight percent of oxalate in complex Weight percent of oxalate in known molecular structure Percent error 1 0.155 0.09 58.10% 17.90% 225% 2 0.155 0.0904 58.30% 17.90% 226% Sample Calculations 1. Standardization of  KMnO4 : . × × - 105 g Na2C2O4 1 mol NaC2O4134 g Na2C2O4 2 moles MnO4 5 moles . = . C2O42 1 mol KMnO4 0280 L 0112 M KMnO4 2. Percent oxalate by titration in compound synthesized previously: . ×. = . 0112 moles KMnO41 L 0372 L 000409 moles KMnO4 . × - - × - 000409 moles KMnO4 5 moles C2O42 2 moles MnO4
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Experiment 9 -...

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