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Two students measured the density of water three times each. Their results are shown below. Trial Student 1 Student 2 0.953 g/mL 0.949 g/mL 0.956 g/mL 1.102 g/mL 1.005 g/mL 0.901 g/mL 3 8. Calculate the percent error in the measurements for student 1 and student 2. Show your work.

Two students measured the density of water three times each. Their results are shown below. Trial Student 1 Student 2 0.953 g/mL 0.949 g/mL 0.956 g/mL 1.102 g/mL 1.005 g/mL 0.901 g/mL 3 8. Calculate the percent error in the measurements for student 1 and student 2. Show your work.

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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Accuracy and Precision of Laboratory Glassware Two students measured the density of water three times each. Their results are shown below. Trial Student 1 Student 2 2. 3 0.953 g/mL 0.949 g/mL 0.956 g/mL 1.102 g/mL 1.005 g/mL 0.901 g/mL 8. Calculate the percent error in the measurements for student 1 and student 2. Show your work. 9. Calculate the standard deviation in the measurements for student 1 and then do the same for student 2. Show your work. 10. Which student is more precise? Explain. 11. Which student is more accurate? Explain. 2.
Transcribed Image Text:Accuracy and Precision of Laboratory Glassware Two students measured the density of water three times each. Their results are shown below. Trial Student 1 Student 2 2. 3 0.953 g/mL 0.949 g/mL 0.956 g/mL 1.102 g/mL 1.005 g/mL 0.901 g/mL 8. Calculate the percent error in the measurements for student 1 and student 2. Show your work. 9. Calculate the standard deviation in the measurements for student 1 and then do the same for student 2. Show your work. 10. Which student is more precise? Explain. 11. Which student is more accurate? Explain. 2.
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