1. Compare the density you found for 12.0 mL, 18.5 mL and 42.8 mL of the liquid. How do they compare? Why? 2. Calculate the average density of your three trials. Show your calculation, 1.49 g/mL 3. The unknown liquid was glycerol with a density of 1.25 g/mL. Which of your trials was closest to that value? trial #2 . Consider your average. What is your percent error? (The formula is in the introduction. Show your calculations). Are you analyzing accuracy or precision? %% x 100
1. Compare the density you found for 12.0 mL, 18.5 mL and 42.8 mL of the liquid. How do they compare? Why? 2. Calculate the average density of your three trials. Show your calculation, 1.49 g/mL 3. The unknown liquid was glycerol with a density of 1.25 g/mL. Which of your trials was closest to that value? trial #2 . Consider your average. What is your percent error? (The formula is in the introduction. Show your calculations). Are you analyzing accuracy or precision? %% x 100
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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![1.
3.
Density of Liquids Data Table (Don't forget to include units on all numbers in data and calculations.)
4.
Mass of
empty
graduated
cylinder
Volume of
liquid
Mass of
graduated
cylinder and
liquid
Mass of
liquid
Density
Make sure to record all
the numbers the scale
provides, even the
zeroes.
Read from cylinder.
Don't forget to include
ONE estimated digit
between the dashes.
The mass here should
be higher than the mass
of the empty graduated
cylinder.
This is a calculation.
Show the subtraction for
trial #1. Keep sig.figs. to
the same decimal place
as the scale provided.
Show the formula
D=M/V. Plug in the
numbers with units.
Solve. Round off to three
sig.figs (like your volume
measurements).
Trial 1:
40.98939
Show calculations below for trial 1 only.
12.01 ml
56.1093g
x 100
5610935-40१४१3g
= 15 12 g
D: 15.129/12.01ml
D: 26 g/mL
2. Calculate the average density of your three trials. Show your calculation,
1.49 g/mL
Trial 2:
00 58859 0151533
18.5900
65 Wasg
need help with 1 and 4
Trial 3:
62 15 m
Compare the density you found for 12.0 mL, 18.5 mL and 42.8 mL of the liquid. How do they
compare? Why?
125.4649
23 32g 3.94g
D= 1.25g/m D: 1.96gla
The unknown liquid was glycerol with a density of 1.25 g/mL. Which of your trials was closest to
that value?
Show Transcribed Text
trial #2
Consider your average. What is your percent error? (The formula is in the introduction. Show your
calculations). Are you analyzing accuracy or precision?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4be973f6-7207-4c64-b8b7-659f3c2b4d5c%2F06b346c0-71c2-4b8d-b966-de41b9e83f2d%2Ff9rmjy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.
3.
Density of Liquids Data Table (Don't forget to include units on all numbers in data and calculations.)
4.
Mass of
empty
graduated
cylinder
Volume of
liquid
Mass of
graduated
cylinder and
liquid
Mass of
liquid
Density
Make sure to record all
the numbers the scale
provides, even the
zeroes.
Read from cylinder.
Don't forget to include
ONE estimated digit
between the dashes.
The mass here should
be higher than the mass
of the empty graduated
cylinder.
This is a calculation.
Show the subtraction for
trial #1. Keep sig.figs. to
the same decimal place
as the scale provided.
Show the formula
D=M/V. Plug in the
numbers with units.
Solve. Round off to three
sig.figs (like your volume
measurements).
Trial 1:
40.98939
Show calculations below for trial 1 only.
12.01 ml
56.1093g
x 100
5610935-40१४१3g
= 15 12 g
D: 15.129/12.01ml
D: 26 g/mL
2. Calculate the average density of your three trials. Show your calculation,
1.49 g/mL
Trial 2:
00 58859 0151533
18.5900
65 Wasg
need help with 1 and 4
Trial 3:
62 15 m
Compare the density you found for 12.0 mL, 18.5 mL and 42.8 mL of the liquid. How do they
compare? Why?
125.4649
23 32g 3.94g
D= 1.25g/m D: 1.96gla
The unknown liquid was glycerol with a density of 1.25 g/mL. Which of your trials was closest to
that value?
Show Transcribed Text
trial #2
Consider your average. What is your percent error? (The formula is in the introduction. Show your
calculations). Are you analyzing accuracy or precision?
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