Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of water (to nearest 0.5 °C) 22.5 °C (2) Mass of empty volumetric flask with stopper 20.3872 g (3) Mass of volumetric flask, stopper, and water 21.3762 g (4) Mass of water in the volumetric flask (5) Calculated density of water at temperature (4) / 1.00 mL) g/mL (6) Density of water at temperature (from CRC Handbook or https://www.simetric.co.uk/si water.htm) g/mL Show Percent Error Calculation: 10.% 20.% 25% 30.% 40.% 50.% Unknown (7) solution solution solution solution solution solution solution Mass of stoppered flask containing Solution (g) 21.4707 21.5647 21.6253 21.6692 21.7823 21.8699 21.7699 Mass of Solution
Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of water (to nearest 0.5 °C) 22.5 °C (2) Mass of empty volumetric flask with stopper 20.3872 g (3) Mass of volumetric flask, stopper, and water 21.3762 g (4) Mass of water in the volumetric flask (5) Calculated density of water at temperature (4) / 1.00 mL) g/mL (6) Density of water at temperature (from CRC Handbook or https://www.simetric.co.uk/si water.htm) g/mL Show Percent Error Calculation: 10.% 20.% 25% 30.% 40.% 50.% Unknown (7) solution solution solution solution solution solution solution Mass of stoppered flask containing Solution (g) 21.4707 21.5647 21.6253 21.6692 21.7823 21.8699 21.7699 Mass of Solution
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.86E
Related questions
Question
Please, I need answer number 8, 9, and 10.
![Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions
(1) Temperature of water (to nearest 0.5 °C)
22.5 °C
(2) Mass of empty volumetric flask with stopper
20.3872 g
(3) Mass of volumetric flask, stopper, and water
21.3762 g
(4) Mass of water in the volumetric flask
g
(5) Calculated density of water at temperature (4) / 1.00 mL)
g/mL
(6) Density of water at temperature (from CRC Handbook
or https://www.simetric.co.uk/si water.htm)
g/mL
Show Percent Error Calculation:
10.%
20.%
25%
30.%
40.%
50.%
Unknown
(7)
solution
solution
solution
solution
solution
solution
solution
Mass of stoppered
flask containing
Solution (g)
21.4707
21.5647
21.6253
21.6692
21.7823
21.8699
21.7699
Mass of Solution
Volume of
Solution
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F632065a4-87e4-4db9-9a16-90da95c730a4%2F175f9403-2780-4e73-9240-fd25d3a7d821%2Fn87budo_processed.png&w=3840&q=75)
Transcribed Image Text:Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions
(1) Temperature of water (to nearest 0.5 °C)
22.5 °C
(2) Mass of empty volumetric flask with stopper
20.3872 g
(3) Mass of volumetric flask, stopper, and water
21.3762 g
(4) Mass of water in the volumetric flask
g
(5) Calculated density of water at temperature (4) / 1.00 mL)
g/mL
(6) Density of water at temperature (from CRC Handbook
or https://www.simetric.co.uk/si water.htm)
g/mL
Show Percent Error Calculation:
10.%
20.%
25%
30.%
40.%
50.%
Unknown
(7)
solution
solution
solution
solution
solution
solution
solution
Mass of stoppered
flask containing
Solution (g)
21.4707
21.5647
21.6253
21.6692
21.7823
21.8699
21.7699
Mass of Solution
Volume of
Solution
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
![10.%
20.%
25%
30.%
40.%
50.%
Unknown
(7)
solution
solution
solution
solution
solution
solution
solution
Mass of stoppered
flask containing
Solution (g)
21.4707
21.5647
21.6253
21.6692
21.7823
21.8699
21.7699
Mass of Solution
(3)
Volume of
Solution
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL.
Density of
Solution (g/mL)
(8)
Plot the data:
a. Graph density (r-axis) vs. mass % (x-avis). The data point for deionized water (0% CaClh) should
also be included on the graph.
b. Scale and label each axis properly, title the graph appropriately.
c. Include best-fit linear trendline and equation on graph.
Determine Mass% CaCh in unknown solution from trendline equation on graph:
Show work:
(10)
Specific gravity of 50% by mass solution:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F632065a4-87e4-4db9-9a16-90da95c730a4%2F175f9403-2780-4e73-9240-fd25d3a7d821%2Fay1nohh_processed.png&w=3840&q=75)
Transcribed Image Text:10.%
20.%
25%
30.%
40.%
50.%
Unknown
(7)
solution
solution
solution
solution
solution
solution
solution
Mass of stoppered
flask containing
Solution (g)
21.4707
21.5647
21.6253
21.6692
21.7823
21.8699
21.7699
Mass of Solution
(3)
Volume of
Solution
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL
1.00 mL.
Density of
Solution (g/mL)
(8)
Plot the data:
a. Graph density (r-axis) vs. mass % (x-avis). The data point for deionized water (0% CaClh) should
also be included on the graph.
b. Scale and label each axis properly, title the graph appropriately.
c. Include best-fit linear trendline and equation on graph.
Determine Mass% CaCh in unknown solution from trendline equation on graph:
Show work:
(10)
Specific gravity of 50% by mass solution:
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