00350 L CaMnO 4 2 0300 mol CaMnO 4 2 2 mol MnO 4 5 mol C 2 O 4 2 1 mol K 2 C 2

00350 l camno 4 2 0300 mol camno 4 2 2 mol mno 4 5

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0.0350 L Ca(MnO 4 ) 2 0.300 mol Ca(MnO 4 ) 2 2 mol MnO 4 5 mol C 2 O 4 2– 1 mol K 2 C 2 O 4 1 L K 2 C 2 O 4 1 L Ca(MnO 4 ) 2 1 mol Ca(MnO 4 ) 2 2 mol MnO 4 1 mol C 2 O 4 2– 0.760 mol K 2 C 2 O 4 0.0105 mol Ca(MnO 4 ) 2 0.0210 mol MnO 4 0.0525 mol C 2 O 4 2– 0.0525 mol K 2 C 2 O 4 = 0.0691 L K 2 C 2 O 42 = 69.1 mL K 2 C 2 O 4
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2 4. (12 pts) A 3.195-g sample of a compound of formula FeCl x was dissolved in water. An excess of AgNO 3 was added to the solution, and all the chloride precipitated as AgCl (molar mass = 143.3). If the mass of the AgCl precipitate was 7.225 g, (a) Determine the masses of Fe and Cl in the original sample.
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1. Which of the following is not a REDOX reaction? H + + NH 3 à NH 4 +
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