Student Density and Error Data (Unknown was sucrose; density = 1.59 g/cm?) Table 2.3 Student A Student B Student C Density Error (g/cm³) Density Error (g/cm³) Density Error (g/cm³) O 1.70 g/cm 1.69 g/cm³ 1.71 g/cm? Trial 1 1.54 g/cm? -0.05 1.40 g/cm3 -0.19 +0.11 Trial 2 1.60 g/cm? +0.01 1.68 g/cm3 +0.09 +0.10 Trial 3 1.57 g/cm3 -0.02 1.45 g/cm3 -0.14 +0.12 Average (1.57 g/cm³ 1.51 g/cm3 1.70 g/cm³

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
ChapterA1: Evaluation Of Analytical Data
Section: Chapter Questions
Problem A1.3QAP
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Calculating Percent Error Use Student A’s density data in Table 2.3 to calculate the percent error in each trial. Report your answers to two places after the decimal point.

Student Density and Error Data
(Unknown was sucrose; density = 1.59 g/cm?)
Table 2.3
Student A
Student B
Student C
Density
Error (g/cm³)
Density
Error (g/cm³)
Density
Error (g/cm³)
O 1.70 g/cm
1.69 g/cm³
1.71 g/cm?
Trial 1
1.54 g/cm?
-0.05
1.40 g/cm3
-0.19
+0.11
Trial 2
1.60 g/cm?
+0.01
1.68 g/cm3
+0.09
+0.10
Trial 3
1.57 g/cm3
-0.02
1.45 g/cm3
-0.14
+0.12
Average
(1.57 g/cm³
1.51 g/cm3
1.70 g/cm³
Transcribed Image Text:Student Density and Error Data (Unknown was sucrose; density = 1.59 g/cm?) Table 2.3 Student A Student B Student C Density Error (g/cm³) Density Error (g/cm³) Density Error (g/cm³) O 1.70 g/cm 1.69 g/cm³ 1.71 g/cm? Trial 1 1.54 g/cm? -0.05 1.40 g/cm3 -0.19 +0.11 Trial 2 1.60 g/cm? +0.01 1.68 g/cm3 +0.09 +0.10 Trial 3 1.57 g/cm3 -0.02 1.45 g/cm3 -0.14 +0.12 Average (1.57 g/cm³ 1.51 g/cm3 1.70 g/cm³
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