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Part II (1pt) Unknown used 3 Note: The number corresponds to the following unknown letter 1 Unknown A 2. Unknown B 3. Unknown Standardization of KMnO4 Solution Standardization of KMnO, Solution Run 1 Run 2 Run 3 1.026 0.983 1.024 Mass of unknown used (a) Initial reading of buret (mL) Final reading of buret (mL) 3.92 4.83 1.07 47 25 48 70 43.84 (50pts) II. Titration of Unknown K2C204 Sample 3 Unknown used The unknown number above corresponds to the following unknown letter 1. Unknown A 2. Unknown B 3. Unknown Titration of Unknown K C204 Sample Table view List View Titration of unknown KC204 Sample Run 1 Run 2 Run 3 Mass of unknown used (s) 1.026 0.983 1.024 Final reading of buret (ml) 47.25 48.70 43.84 3.92 483 1.07 Initial reading of buret (ml) Volume of KMnO, used (mL) Mass of K,C,0, in sample (9) Mass of Kacz0in sample (5pts) Average Mass Percent (%) (5pts) Average absolute deviation (%) Standardization of KMnO4 Solution Standardization of KMnO4 Solution Run 1 Run 2 0.924 0.981 Mass of (NH4) Fe(S04), 6H 0 used (0) Initial reading of buret (ml) Final reading of buret (mL) 1.89 1.82 40.34 43.25