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Is the precision of your two trials within 5 %? This means is your % average deviation <5 %. Support your answer with calculations. nnt

Is the precision of your two trials within 5 %? This means is your % average deviation <5 %. Support your answer with calculations. nnt

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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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Is the precision of your two trials within 5 %? This means is your % average deviation <5 %. Support your answer with calculations. mu tue trigls was not
Transcribed Image Text:Is the precision of your two trials within 5 %? This means is your % average deviation <5 %. Support your answer with calculations. mu tue trigls was not
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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