Lab 5 Data Table

Lab 5 Data Table - Standardization of KMnO 4 solution Wt....

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21:03:21 01/23/2012 Name: Liz Zharovsky Bench C19 Lab day: Tuesday Date: 10/25/2011 Lab section: 2 TABLE OF DATA AND RESULTS 0.2101 Buret reading initial (mL) 0.00 final (mL) 31.70 31.70 0.01978 0.01996 Product:* 1 2 3 Wt. of oxalate product (g)** 0.2727 0.2728 0.2731 Buret reading initial (mL) 0.00 0.00 0.00 final (mL) 30.31 29.20 30.00 30.31 29.20 30.00 48.82 47.01 48.25 48.03 RSD (%) 1.927 49.75 REA (%) 3.457 n, true value 2 n, calculated 2.704 *leave only the formula of the product analyzed by you
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Unformatted text preview: Standardization of KMnO 4 solution Wt. Na 2 C 2 O 4 (grams) Volume KMnO 4 (mL) Molarity of KMnO 4 (mol/L) Section average molarity KMnO 4 (mol/L) Product: weight % of C 2 O 4 2-K 2 [Cu(C 2 O 4 ) 2 ] nH 2 O Volume KMnO 4 (mL) Wt % C 2 O 4 2-Average Wt % C 2 O 4 2-True value of wt % C 2 O 4 2-...
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