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Sample 1 Sample 2 Unknown CaCl2 solution code (if any) 2 1. Unknown Code = 2. Volume of 0.100 M Na3PO4 solution used 30 mL 30mL 3. Initial burette volume of CaCl2 solution 0.6 mL 20.6 4. Final burette volume of CaCl2 solution 20.6 mL 40.6 mL 5. Volume of unknown CaCl2 solution used 20 mL 20 mL 6. Mass of filter paper 3६।। :356g Mass of filter paper + Ca3(PO4)2 precipitate 0.453g 0.3839 7. Mass of Ca3(PO4)2 precipitate recovered 0.072 9 8. 0.027 9. Moles of Ca3(PO4)2 recovered 0.000232 mel 0.0000 87l mol 10. Moles of CaCl2 consumed in reaction 0.000 696 mol 0.000261 mol 11. Molarity of unknown CaCl2 solution 0.0348 M 0.0131 12. Average Value for Molarity of Unknown CaCl2 solution 0.024

Sample 1 Sample 2 Unknown CaCl2 solution code (if any) 2 1. Unknown Code = 2. Volume of 0.100 M Na3PO4 solution used 30 mL 30mL 3. Initial burette volume of CaCl2 solution 0.6 mL 20.6 4. Final burette volume of CaCl2 solution 20.6 mL 40.6 mL 5. Volume of unknown CaCl2 solution used 20 mL 20 mL 6. Mass of filter paper 3६।। :356g Mass of filter paper + Ca3(PO4)2 precipitate 0.453g 0.3839 7. Mass of Ca3(PO4)2 precipitate recovered 0.072 9 8. 0.027 9. Moles of Ca3(PO4)2 recovered 0.000232 mel 0.0000 87l mol 10. Moles of CaCl2 consumed in reaction 0.000 696 mol 0.000261 mol 11. Molarity of unknown CaCl2 solution 0.0348 M 0.0131 12. Average Value for Molarity of Unknown CaCl2 solution 0.024

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Can someone check to see if #9 through #12 are correct with the information provided

Sample 1 Sample 2 Unknown CaCl2 solution code (if any) Unknown Code = _2 %3D 1. 2. Volume of 0.100 M Na3PO4 solution used 30 mL 30ML 3. Initial burette volume of CaCl2 solution 0.6 m L 20.6 4. Final burette volume of CaCl2 solution 20.6 mL 40.6 mL 5. Volume of unknown CaCl2 solution used 20 mL 20 mL 6. Mass of filter paper Do381 g 0:356 q 7. Mass of filter paper + Ca3(PO4)2 precipitate 0.453 q 0.3839 .३६३ 8. Mass of Ca3(PO4)2 precipitate recovered O.072 0. 027 a 9. Moles of Ca3(P04)2 recovered O. 000232 mel 0.0000 871 mol 10. Moles of CaCl2 consumed in reaction 0.000 696 mol 0,000261 mol Molarity of unknown CaCl2 solution 0.0348 M 0.0131 11. 12. Average Value for Molarity of Unknown CaCl2 solution 0.024
Transcribed Image Text:Sample 1 Sample 2 Unknown CaCl2 solution code (if any) Unknown Code = _2 %3D 1. 2. Volume of 0.100 M Na3PO4 solution used 30 mL 30ML 3. Initial burette volume of CaCl2 solution 0.6 m L 20.6 4. Final burette volume of CaCl2 solution 20.6 mL 40.6 mL 5. Volume of unknown CaCl2 solution used 20 mL 20 mL 6. Mass of filter paper Do381 g 0:356 q 7. Mass of filter paper + Ca3(PO4)2 precipitate 0.453 q 0.3839 .३६३ 8. Mass of Ca3(PO4)2 precipitate recovered O.072 0. 027 a 9. Moles of Ca3(P04)2 recovered O. 000232 mel 0.0000 871 mol 10. Moles of CaCl2 consumed in reaction 0.000 696 mol 0,000261 mol Molarity of unknown CaCl2 solution 0.0348 M 0.0131 11. 12. Average Value for Molarity of Unknown CaCl2 solution 0.024
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