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Is the precision of your two trials within 5 %?. Support your answer with calculations

Is the precision of your two trials within 5 %?. Support your answer with calculations

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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Is the precision of your two trials within 5 %?. Support your answer with calculations

2. Volume of 0,100 M Na3PO4 solution used 30 mL 30ML 3. Initial burette volume of CaCl2 solution .6 mL 20.6 20.6 m L 40.6 mL 4. Final burette volume of CaCl2 solution 20 mL 20 mL Volume of unknown CaCl2 solution used Mass of filter paper .381 g 356 g .453 g .383 9 Mass of filter paper + Ca3(PO4)2 precipitate .072 9 .027 9 Mass of Ca3(PO4)2 precipitate recovered 000232 mol 0000 871 mol Moles of Ca3(PO4)2 recovered 000261 mol .000696 mol Moles of CaCl2 consumed in reaction .0348 M ,01305 ,013 05 M Molarity of unknown CaCl2 solution 0239 M %3D Average Value for Molarity of Unknown CaCl2 solution
Transcribed Image Text:2. Volume of 0,100 M Na3PO4 solution used 30 mL 30ML 3. Initial burette volume of CaCl2 solution .6 mL 20.6 20.6 m L 40.6 mL 4. Final burette volume of CaCl2 solution 20 mL 20 mL Volume of unknown CaCl2 solution used Mass of filter paper .381 g 356 g .453 g .383 9 Mass of filter paper + Ca3(PO4)2 precipitate .072 9 .027 9 Mass of Ca3(PO4)2 precipitate recovered 000232 mol 0000 871 mol Moles of Ca3(PO4)2 recovered 000261 mol .000696 mol Moles of CaCl2 consumed in reaction .0348 M ,01305 ,013 05 M Molarity of unknown CaCl2 solution 0239 M %3D Average Value for Molarity of Unknown CaCl2 solution
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