100%(2)2 out of 2 people found this document helpful
This preview shows page 1 - 4 out of 5 pages.
0.0350 L Ca(MnO4)20.300 mol Ca(MnO4)22 mol MnO4–5 mol C2O42–1 mol K2C2O41 L K2C2O41 L Ca(MnO4)21 mol Ca(MnO4)22 mol MnO4–1 mol C2O42–0.760 mol K2C2O40.0105 mol Ca(MnO4)20.0210 mol MnO4–0.0525 mol C2O42–0.0525 mol K2C2O4= 0.0691 L K2C2O42= 69.1 mL K2C2O4
24.(12 pts)A 3.195-g sampleof a compound of formula FeClxwas dissolved in water. An excess ofAgNO3was added to the solution, and all the chloride precipitated as AgCl (molar mass = 143.3). If themass of the AgCl precipitate was 7.225 g,(a) Determine the masses of Fe and Cl in the original sample.
1.Which of the following isnota REDOX reaction?H++ NH3àNH4+