lab9 - 04/16/2009 Section: Date of experiment performed:...

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1 Section: I02 Date of experiment performed: 03/02/09 Date Report prepared: 03/07/09 Name: Fletcher Dostie Partner's Name: Andrew Pak Experiment 9 : Redox Titration of an Oxalate Compound Trial 1 0.101 7.537E-04 3.015E-04 27.92 1.08E-02 Trial 2 0.103 7.687E-04 3.075E-04 31.31 9.82E-03 Average M 1.03E-02 Trial 1 21.59 2.226E-04 5.564E-04 0.0490 0.103 47.6 48.10 Trial 2 28.59 2.947E-04 7.369E-04 0.0649 0.135 48.0 Average % 47.80 Data/Calculations: (60) Fill in for your compound only A. Standardization of KMnO 4 ~0.01M (20pts) Mass of Na 2 C 2 O 4 0.1xxg Moles of Na 2 C 2 O 4 (4 sig. figs.) Moles of KMnO 4 Vol. of KMnO 4 to reach pink endpt. Molarity of KMnO 4 B. % oxalate by titration in compound synthesized the previously (20 pts) Compound was Cobalt (II) oxalate (182.983g/mol) Vol. of KMnO 4 to reach pink endpt. Moles of KMnO 4 Moles of oxalate found g of oxalate found g of metal oxalate weighed Wt. % oxalate by titration Wt. % oxalate by calculation
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2 3. % Oxalate by Calculation Sample Calculations:
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lab9 - 04/16/2009 Section: Date of experiment performed:...

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