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In a laboratory experiment, the density Of a conc sugar was determined by measuring the volume of the solution and corresponding mass at room temperature. Five students each made a set of measurements (totally 15 measurements) using a different balance and used the results to calculate density (g/mL) Their results are summarized

In a laboratory experiment, the density Of a conc sugar was determined by measuring the volume of the solution and corresponding mass at room temperature. Five students each made a set of measurements (totally 15 measurements) using a different balance and used the results to calculate density (g/mL) Their results are summarized

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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2. In a laboratory experiment, the density of a concentrated sugar solution was determined by measuring the volume of the solution and corresponding mass at room temperature. Five students each made a set of measurements (totally 15 measurements) using a different balance and used the results to calculate density (g/mL). Their results are summarized here: 1.38 1.37 1.37 1.30 | 1.32 1.34 | 1.41| 1.44| 1.45| 1.46| 1.38 | 1.38 | 1.39 1.40 1.41 a) Draw the histogram showing the frequency of recurrence of density values. b) Find the mean, median and the mode of density values. c) It is known that the accepted density of the sugar solution is 1.38 g/mL at room temperature. Discuss the precision and the accuracy.
Transcribed Image Text:2. In a laboratory experiment, the density of a concentrated sugar solution was determined by measuring the volume of the solution and corresponding mass at room temperature. Five students each made a set of measurements (totally 15 measurements) using a different balance and used the results to calculate density (g/mL). Their results are summarized here: 1.38 1.37 1.37 1.30 | 1.32 1.34 | 1.41| 1.44| 1.45| 1.46| 1.38 | 1.38 | 1.39 1.40 1.41 a) Draw the histogram showing the frequency of recurrence of density values. b) Find the mean, median and the mode of density values. c) It is known that the accepted density of the sugar solution is 1.38 g/mL at room temperature. Discuss the precision and the accuracy.
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