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rev: 11-Oct-2010 5. In an experiment, 169 g of FeCr2 O4, 298 g of K2CO3, and 75.0 g of O2 were reacted. If the amount of K2CrO4 isolated was 194 g, calculate the percent yield of the reaction. Also, calculate the amount in grams of excess reactants, if any. 223.84 g/mol 138.21g/mol 31.998g/mol 194.19g/mol 159.69g/mol 44.010g/mol 4FeCr2O4(s) 8K2CO3(s) Molar masses: +702(g) 8K2CrO4(s) + 2Fe O3(s) + 8CO2(g)

rev: 11-Oct-2010 5. In an experiment, 169 g of FeCr2 O4, 298 g of K2CO3, and 75.0 g of O2 were reacted. If the amount of K2CrO4 isolated was 194 g, calculate the percent yield of the reaction. Also, calculate the amount in grams of excess reactants, if any. 223.84 g/mol 138.21g/mol 31.998g/mol 194.19g/mol 159.69g/mol 44.010g/mol 4FeCr2O4(s) 8K2CO3(s) Molar masses: +702(g) 8K2CrO4(s) + 2Fe O3(s) + 8CO2(g)

Physical Chemistry
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.77E: Determine rxnH 25 C for the following reaction: NO g O2 g NO2 g This reaction is a major...
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rev: 11-Oct-2010 5. In an experiment, 169 g of FeCr2 O4, 298 g of K2CO3, and 75.0 g of O2 were reacted. If the amount of K2CrO4 isolated was 194 g, calculate the percent yield of the reaction. Also, calculate the amount in grams of excess reactants, if any. 223.84 g/mol 138.21g/mol 31.998g/mol 194.19g/mol 159.69g/mol 44.010g/mol 4FeCr2O4(s) 8K2CO3(s) Molar masses: +702(g) 8K2CrO4(s) + 2Fe O3(s) + 8CO2(g)
Transcribed Image Text:rev: 11-Oct-2010 5. In an experiment, 169 g of FeCr2 O4, 298 g of K2CO3, and 75.0 g of O2 were reacted. If the amount of K2CrO4 isolated was 194 g, calculate the percent yield of the reaction. Also, calculate the amount in grams of excess reactants, if any. 223.84 g/mol 138.21g/mol 31.998g/mol 194.19g/mol 159.69g/mol 44.010g/mol 4FeCr2O4(s) 8K2CO3(s) Molar masses: +702(g) 8K2CrO4(s) + 2Fe O3(s) + 8CO2(g)
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