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Chemistry
The Density of Reference Solutions

The Density of Reference Solutions

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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ion: Tissues X ype here to search F1 /learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com/611c28c9987f5/2131146?X-Blackboard-Expiration=1665187200000&X-Blackboard-Si + @ 2 W S F2 3 E Submission History: Expe X D Laboratory Report The Density of Reference Solutions Mass of empty beaker Solution 0% Sugar 5% Sugar 10% Sugar 15% Sugar ►/11 20% Sugar Beverage Densities Beverage Coke F3 Sprite Calculations: $ 4 R F Mass of the solution and beaker, g 110.753 g 111.015 g Bb 2131146 111.245 g F4 111.515 g 111.756 g Mass of the solution and beaker, g 111.710 g O Ei 100.750 g 111.405 g % 5 T G Mass of solution, g 28 F5 Mass of solution, g Sample Volume, mL Density, g/mL ^ 6 Y H F6 + X S & 7 (ID | A 10.00 mL 10.00 mL 10.00 mL 10.00 mL 10.00 mL Sample Volume, mL Density, g/mL 10.00 mL PrtScn 10.00 mL U F7 A T * Home 8 F8 | K End ( 9 V 73°F F9 O 8 PgUp ) 0 v L F10 P (4¹) PgDn
Transcribed Image Text:ion: Tissues X ype here to search F1 /learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com/611c28c9987f5/2131146?X-Blackboard-Expiration=1665187200000&X-Blackboard-Si + @ 2 W S F2 3 E Submission History: Expe X D Laboratory Report The Density of Reference Solutions Mass of empty beaker Solution 0% Sugar 5% Sugar 10% Sugar 15% Sugar ►/11 20% Sugar Beverage Densities Beverage Coke F3 Sprite Calculations: $ 4 R F Mass of the solution and beaker, g 110.753 g 111.015 g Bb 2131146 111.245 g F4 111.515 g 111.756 g Mass of the solution and beaker, g 111.710 g O Ei 100.750 g 111.405 g % 5 T G Mass of solution, g 28 F5 Mass of solution, g Sample Volume, mL Density, g/mL ^ 6 Y H F6 + X S & 7 (ID | A 10.00 mL 10.00 mL 10.00 mL 10.00 mL 10.00 mL Sample Volume, mL Density, g/mL 10.00 mL PrtScn 10.00 mL U F7 A T * Home 8 F8 | K End ( 9 V 73°F F9 O 8 PgUp ) 0 v L F10 P (4¹) PgDn
Expert Solution
Step 1

Density is defined as mass per unit volume.

In this case, the mass of the sample (of volume 10 mL) can be determined by dividing the mass of the sample (obtained by subtracting the mass of the empty beaker from the combined mass of the solution and beaker) with the colume.

The calculation table is as follows.

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arch F2 # 3 E D 1. Plot density versus concentration for the five reference solutions on a graph. The concentration is the independent variable (x-axis), and the density is the dependent variable (y-axis). Use a spreadsheet program or ruler to draw a "best-fit" straight line through the data points. II 2. Use the graph to estimate the unknown sugar concentration in each beverage. To do this, locate the point on the y-axis that corresponds to the density of the beverage. Follow that point on the y-axis horizontally to where it meets the best-fit straight line. Read down vertically from this point on the best-fit line to the x-axis to estimate the percent concentration of sugar in the beverage. Construct a Results Table and record the density of each beverage and its estimated percent sugar concentration. F3 LA $ 4 R LL Beverage Coke Sprite O E F4 % 5 T G F5 7 ^ 6 Density, g/mL ( CHM 101L-Survey of Chemistry | Laboratory Y F6 H S PrtScn & 7 U F7 Percent, %estimated Home 8 F8 9 JK Rain... End F9 O (8) PgUp 0 L F10 P (641) PgDn F11
Transcribed Image Text:arch F2 # 3 E D 1. Plot density versus concentration for the five reference solutions on a graph. The concentration is the independent variable (x-axis), and the density is the dependent variable (y-axis). Use a spreadsheet program or ruler to draw a "best-fit" straight line through the data points. II 2. Use the graph to estimate the unknown sugar concentration in each beverage. To do this, locate the point on the y-axis that corresponds to the density of the beverage. Follow that point on the y-axis horizontally to where it meets the best-fit straight line. Read down vertically from this point on the best-fit line to the x-axis to estimate the percent concentration of sugar in the beverage. Construct a Results Table and record the density of each beverage and its estimated percent sugar concentration. F3 LA $ 4 R LL Beverage Coke Sprite O E F4 % 5 T G F5 7 ^ 6 Density, g/mL ( CHM 101L-Survey of Chemistry | Laboratory Y F6 H S PrtScn & 7 U F7 Percent, %estimated Home 8 F8 9 JK Rain... End F9 O (8) PgUp 0 L F10 P (641) PgDn F11
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