-The density of aluminum is 2.70 g/cm'. Calculate the thickness of a rectangular sheetof aluminum foil with a width of 11.5 cm, a length of 14.0 cm, and a mass of 2.04 g.-Examine your results from your data table in Part 3. Do you have any values for thedensity of the salt solution that lie OUTSIDE the range (& 2s)? If so, list them here:Recalculate & by omitting values that lie OUTSIDE the range. This is the density valueyou should use to determine your experimental % NaCl.part 3 data table included +6ML12mL18mL24ml30ML36mLreadMassSample Flask+Stopper+Liquid(g)234561Name:Part 3ErlenmyerMass of Flask with stopper 80.217gS=&d²Final BuretReading(mL)86.6329 6.415g 6.00MLnumberline going down &MassLiquid Only(g)Section:= √-4₁Unknown NumberInitial Buret readingNet DensityVolume(mL)6sum of Xm:Show your calculation of the standard deviation, s, from d² below:-4.4 × 10-4-3= 9.38×1050.0mL93.4089 13.19 19 12.00 1299.9359 19.718 18.00m 181,0991.095Oe-4106.8499 26.632 24.00m 24 1.109 0.0132 1.74 x 10113, 1639 32.946 30,00ML 30 1,098 2.2 × 10³ 4.84x1535120.0029 39.783 36,00ML 36 1.105 9.2×10 8.46 10-S6.575-4d(g/mL) (Xm-X)4 sig. figs.1.069 -0.0268-7.186²3.2x1031.02-10d²X = 1.0958sum of d²: -4,4x10ti0.00044-5

The objective of the given question is to calculate the thickness of a rectangular sheet of aluminum…

Answered: The density of aluminum is 2.70 g/cm'.…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 89QAP

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Question

-The density of aluminum is 2.70 g/cm'. Calculate the thickness of a rectangular sheet
of aluminum foil with a width of 11.5 cm, a length of 14.0 cm, and a mass of 2.04 g.

-Examine your results from your data table in Part 3. Do you have any values for the
density of the salt solution that lie OUTSIDE the range (& 2s)? If so, list them here:

Recalculate & by omitting values that lie OUTSIDE the range. This is the density value
you should use to determine your experimental % NaCl.

part 3 data table included

+6ML
12mL
18mL
24ml
30ML
36mL
read
Mass
Sample Flask+Stopper+Liquid
(g)
2
3
4
5
6
1
Name:
Part 3
Erlenmyer
Mass of Flask with stopper 80.217g
S=&d²
Final Buret
Reading
(mL)
86.6329 6.415g 6.00ML
numberline going down &
Mass
Liquid Only
(g)
Section:
= √-4₁
Unknown Number
Initial Buret reading
Net Density
Volume
(mL)
6
sum of Xm:
Show your calculation of the standard deviation, s, from d² below:
-4.4 × 10-4
-3
= 9.38×10
5
0.0mL
93.4089 13.19 19 12.00 12
99.9359 19.718 18.00m 18
1,099
1.095
O
e
-4
106.8499 26.632 24.00m 24 1.109 0.0132 1.74 x 10
113, 1639 32.946 30,00ML 30 1,098 2.2 × 10³ 4.84x1535
120.0029 39.783 36,00ML 36 1.105 9.2×10 8.46 10
-S
6.575
-4
d
(g/mL) (Xm-X)
4 sig. figs.
1.069 -0.0268-7.186²
3.2x1031.02-10
d²
X = 1.0958
sum of d²: -4,4x10
ti
0.00044
-5

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