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1. In your own words define the terms accuracy and precision. Accuracy- The quality or stet of being correct or precise Precision-The ,or fact of being quality, condition ex aci and acco rate. What causes parallax error and how do you avoid it? 2. Parallax error is by viewing with respect the abject appCLv to De at position ön dal scale. the meniscUs Jans an accurate measure Ment ana ava;d arilycased cased 15 Primarily the object at an oblique ang!e to the scale ,which makes the Parallan errors. 3. The mass of five 30 mL samples of DI water was measured using a buret and analytical balance. The masses were determined to be 30.0010 g, 29.9998 g, 29.8889 g, 30.0002 g and 29.9959 g respectively. What is the average volume of the samples if the temperature at the time of the experiment was 22.5 °C? How accurate is the buret? What is the standard deviation in the measurements? Use full sentences to explain your answers and show all calculations to get full credit. Avy.:29.97716 nt accuraie 25 Chemistr y Glassware and Measure ment Laboratory 2

1. In your own words define the terms accuracy and precision. Accuracy- The quality or stet of being correct or precise Precision-The ,or fact of being quality, condition ex aci and acco rate. What causes parallax error and how do you avoid it? 2. Parallax error is by viewing with respect the abject appCLv to De at position ön dal scale. the meniscUs Jans an accurate measure Ment ana ava;d arilycased cased 15 Primarily the object at an oblique ang!e to the scale ,which makes the Parallan errors. 3. The mass of five 30 mL samples of DI water was measured using a buret and analytical balance. The masses were determined to be 30.0010 g, 29.9998 g, 29.8889 g, 30.0002 g and 29.9959 g respectively. What is the average volume of the samples if the temperature at the time of the experiment was 22.5 °C? How accurate is the buret? What is the standard deviation in the measurements? Use full sentences to explain your answers and show all calculations to get full credit. Avy.:29.97716 nt accuraie 25 Chemistr y Glassware and Measure ment Laboratory 2

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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How do I solve number 3? I found the average.

1. In your own words define the terms accuracy and precision. Accuracy- The quality or stet of being correct or precise Precision-The ,or fact of being quality, condition ex aci and acco rate. What causes parallax error and how do you avoid it? 2. Parallax error is by viewing with respect the abject appCLv to De at position ön dal scale. the meniscUs Jans an accurate measure Ment ana ava;d arilycased cased 15 Primarily the object at an oblique ang!e to the scale ,which makes the Parallan errors. 3. The mass of five 30 mL samples of DI water was measured using a buret and analytical balance. The masses were determined to be 30.0010 g, 29.9998 g, 29.8889 g, 30.0002 g and 29.9959 g respectively. What is the average volume of the samples if the temperature at the time of the experiment was 22.5 °C? How accurate is the buret? What is the standard deviation in the measurements? Use full sentences to explain your answers and show all calculations to get full credit. Avy.:29.97716 nt accuraie 25 Chemistr y Glassware and Measure ment Laboratory 2
Transcribed Image Text:1. In your own words define the terms accuracy and precision. Accuracy- The quality or stet of being correct or precise Precision-The ,or fact of being quality, condition ex aci and acco rate. What causes parallax error and how do you avoid it? 2. Parallax error is by viewing with respect the abject appCLv to De at position ön dal scale. the meniscUs Jans an accurate measure Ment ana ava;d arilycased cased 15 Primarily the object at an oblique ang!e to the scale ,which makes the Parallan errors. 3. The mass of five 30 mL samples of DI water was measured using a buret and analytical balance. The masses were determined to be 30.0010 g, 29.9998 g, 29.8889 g, 30.0002 g and 29.9959 g respectively. What is the average volume of the samples if the temperature at the time of the experiment was 22.5 °C? How accurate is the buret? What is the standard deviation in the measurements? Use full sentences to explain your answers and show all calculations to get full credit. Avy.:29.97716 nt accuraie 25 Chemistr y Glassware and Measure ment Laboratory 2
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