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a. Calculate the percent yield of CaC;0,H¿O using your actual yield yield calculated above. theoretic B. Calculate thẽ im 100%. 0e baa busaal gnblmk lo nohanins

a. Calculate the percent yield of CaC;0,H¿O using your actual yield yield calculated above. theoretic B. Calculate thẽ im 100%. 0e baa busaal gnblmk lo nohanins

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Data analysis need number 4 

**Precipitation of Calcium Oxalate (CaC₂O₄·H₂O)** - **Unknown Number:** [Blank] 1. **Reactant Masses (g):** - CaCl₂·2H₂O: 1.200 g - K₂C₂O₄·H₂O: 0.939 g 2. **Mass of Filter Paper (g):** - 1.847 g 3. **Mass of Filter Paper and CaC₂O₄·H₂O (g):** - 2.672 g 4. **Mass of CaC₂O₄·H₂O (g):** - Calculation: 1.200 g - 1.847 g = 0.6047 g --- **Determination of Limiting Reactant Based on Clarity Tests** - **Observations from Testing the Supernatant:** **Results of Adding:** - **CaCl₂·2H₂O:** - Liquid remained slightly cloudy. - **K₂C₂O₄·H₂O:** - Liquid turned orange, indicating that a reaction must have occurred. 1. **Limiting Reactant (complete formula):** - K₂C₂O₄·H₂O + CaCl₂·2H₂O 2. **Excess Reactant (complete formula):** - CaCl₂·2H₂O K₂C₂O₄·H₂O
Transcribed Image Text:**Precipitation of Calcium Oxalate (CaC₂O₄·H₂O)** - **Unknown Number:** [Blank] 1. **Reactant Masses (g):** - CaCl₂·2H₂O: 1.200 g - K₂C₂O₄·H₂O: 0.939 g 2. **Mass of Filter Paper (g):** - 1.847 g 3. **Mass of Filter Paper and CaC₂O₄·H₂O (g):** - 2.672 g 4. **Mass of CaC₂O₄·H₂O (g):** - Calculation: 1.200 g - 1.847 g = 0.6047 g --- **Determination of Limiting Reactant Based on Clarity Tests** - **Observations from Testing the Supernatant:** **Results of Adding:** - **CaCl₂·2H₂O:** - Liquid remained slightly cloudy. - **K₂C₂O₄·H₂O:** - Liquid turned orange, indicating that a reaction must have occurred. 1. **Limiting Reactant (complete formula):** - K₂C₂O₄·H₂O + CaCl₂·2H₂O 2. **Excess Reactant (complete formula):** - CaCl₂·2H₂O K₂C₂O₄·H₂O
Data Analysis Clearly show any necessary calculations and explanations for the following data analysis on another sheet of paper. 1. Based on the reactant masses used in your experiment, determine the limiting reactant. Compare the result obtained with the result using chemical tests in part B. Note that there are several methods possible for determining limiting reactants. Use whichever procedure you are most comfortable with, but be sure to show your work. 2. Based on the reactant masses used in your experiment, determine the theoretical yield (in grams) of CaC₂O₄·H₂O. 3. Calculate the mass (in grams) of excess reactant that was not consumed in the reaction. 4. a. Calculate the percent yield of CaC₂O₄·H₂O using your actual yield from part A and the theoretical yield calculated above. b. Comment on your percent yield. Include possible explanations for results less than or greater than 100%.
Transcribed Image Text:Data Analysis Clearly show any necessary calculations and explanations for the following data analysis on another sheet of paper. 1. Based on the reactant masses used in your experiment, determine the limiting reactant. Compare the result obtained with the result using chemical tests in part B. Note that there are several methods possible for determining limiting reactants. Use whichever procedure you are most comfortable with, but be sure to show your work. 2. Based on the reactant masses used in your experiment, determine the theoretical yield (in grams) of CaC₂O₄·H₂O. 3. Calculate the mass (in grams) of excess reactant that was not consumed in the reaction. 4. a. Calculate the percent yield of CaC₂O₄·H₂O using your actual yield from part A and the theoretical yield calculated above. b. Comment on your percent yield. Include possible explanations for results less than or greater than 100%.
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