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Please use these numbers: (#1 Answer) Balance A: 15.746 Balance B: 15.75 Balance C: 15.7 (#2 Answer) Balance A: ± 0.001 Balance B: ± 0.01 Balance C: ± 0.1

Please use these numbers: (#1 Answer) Balance A: 15.746 Balance B: 15.75 Balance C: 15.7 (#2 Answer) Balance A: ± 0.001 Balance B: ± 0.01 Balance C: ± 0.1

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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Please use these numbers:

(#1 Answer) Balance A: 15.746 Balance B: 15.75 Balance C: 15.7

(#2 Answer) Balance A: ± 0.001 Balance B: ± 0.01 Balance C: ± 0.1

4a. In each of the three cases, which measured value, the mass or the volume, limits the precision of the calculated density? Note that the absolute uncertainty in volume cannot be compared directly to that in the mass because the units differ (mL and g), so relative uncertainties must be considered. For volume, relative uncertainty by the rules of significant figures is + 0.01 mL / 20.10 mL = + 0.0005, a unitless decimal fraction. Give the relative uncertainty for each mass based on your previous answers to #1&2.
Transcribed Image Text:4a. In each of the three cases, which measured value, the mass or the volume, limits the precision of the calculated density? Note that the absolute uncertainty in volume cannot be compared directly to that in the mass because the units differ (mL and g), so relative uncertainties must be considered. For volume, relative uncertainty by the rules of significant figures is + 0.01 mL / 20.10 mL = + 0.0005, a unitless decimal fraction. Give the relative uncertainty for each mass based on your previous answers to #1&2.
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