Prelab1 - 2 C 2 O 4 in 20.0 mL of a saturated K 2 C 2 O 4...

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Name: _____________________________ Date: _________________________________ Lab Instructor: ______________________ Lab Section: ___________________________ 4 EXPERIMENT 1 Synthesis of Potassium Ferric Oxalate Trihydrate Prelaboratory Questions: 1. A student carried out the synthesis described in this experiment. In the first step of the synthesis the student combined 4.918 g of Fe(NH 4 ) 2 (SO 4 ) 2 6H 2 O with 25.0 mL of 1.0 M H 2 C 2 O 4 . In the second step of the synthesis the student added 20.0 mL of saturated K 2 C 2 O 4 , 20.0 mL of 3% H 2 O 2 , and 8.0 mL of 1.0 M H 2 C 2 O 4 to the solid FeC 2 O 4 2H 2 O produced in the first step. (a) Calculate the number of moles of Fe(NH 4 ) 2 (SO 4 ) 2 6H 2 O in 4.918 g of Fe(NH 4 ) 2 (SO 4 ) 2 6H 2 O. (b) Calculate the number of moles H 2 C 2 O 4 in 25.0 mL of 1.0 M H 2 C 2 O 4 . (c) Calculate the number of moles of K
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Unformatted text preview: 2 C 2 O 4 in 20.0 mL of a saturated K 2 C 2 O 4 (300 g K 2 C 2 O 4 H 2 O per liter) solution. (d) Calculate the number of moles of H 2 O 2 in 20.0 mL of a solution that is 3% H 2 O 2 by weight. Assume the density of the solution is 1.01 g/mL. (e) Calculate the number of moles H 2 C 2 O 4 in 8.0 mL of 1.0 M H 2 C 2 O 4 . Name: _____________________________ Date: _________________________________ Lab Instructor: ______________________ Lab Section: ___________________________ 5 (f) What is the limiting reactant of this two-step reaction? (g) What is the theoretical yield, in grams, of K 3 Fe(C 2 O 4 ) 3 3H 2 O? (h) If the actual yield of K 3 Fe(C 2 O 4 ) 3 3H 2 O was 4.827 g what is the percent yield?...
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This note was uploaded on 03/15/2011 for the course CHEM 211 taught by Professor Crane, b during the Fall '06 term at Cornell University (Engineering School).

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Prelab1 - 2 C 2 O 4 in 20.0 mL of a saturated K 2 C 2 O 4...

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