Random error is error associated with the precision limits of the measuring device; it causes some alues in a data set to be larger than theoretical value and some to be smaller. Systematic error is onsistent, repeatable error associated with flawed instrument design or user error. When ystematic error is present, all values in a data set are larger or smaller than the theoretical. . The volume of a pipet was experimentally determined, resulting in the following data set. The theoretical volume is 10.00 mL. Does the data set show evidence of random error, systematic error, or both? Why? 10.03 mL 9.99 mL 9.98 mL 10.02 mL . The concentration of an NaOH solution was experimentally determined, resulting in the following data set. The theoretical concentration is 0.1031 M. Does the data set show evidence of random error, systematic error, or both? Why? 0.1050 M 0.1055 M 0.1045 M 0.1047 M

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Chapter1: Chemical Foundations
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4. Random error is error associated with the precision limits of the measuring device; it causes some
values in a data set to be larger than theoretical value and some to be smaller. Systematic error is
consistent, repeatable error associated with flawed instrument design or user error. When
systematic error is present, all values in a data set are larger or smaller than the theoretical.
a. The volume of a pipet was experimentally determined, resulting in the following data set. The
theoretical volume is 10.00 mL. Does the data set show evidence of random error, systematic
error, or both? Why?
10.03 mL
9.99 mL
9.98 mL
10.02 mL
b. The concentration of an NaOH solution was experimentally determined, resulting in the following
data set. The theoretical concentration is 0.1031 M. Does the data set show evidence of random
error, systematic error, or both? Why?
0.1050 M
0.1055 M
0.1045 M
0.1047 M
Transcribed Image Text:4. Random error is error associated with the precision limits of the measuring device; it causes some values in a data set to be larger than theoretical value and some to be smaller. Systematic error is consistent, repeatable error associated with flawed instrument design or user error. When systematic error is present, all values in a data set are larger or smaller than the theoretical. a. The volume of a pipet was experimentally determined, resulting in the following data set. The theoretical volume is 10.00 mL. Does the data set show evidence of random error, systematic error, or both? Why? 10.03 mL 9.99 mL 9.98 mL 10.02 mL b. The concentration of an NaOH solution was experimentally determined, resulting in the following data set. The theoretical concentration is 0.1031 M. Does the data set show evidence of random error, systematic error, or both? Why? 0.1050 M 0.1055 M 0.1045 M 0.1047 M
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