Solubility
Density
Mass of NaCl
Mass of NaCl solution
Instructions
per 100 mL of H2O
Volume of NaCl solution
1. Column B - Enter the Mass of NaCl per 100 mL of H2O. This is calculated ba
1
0.0
0.870
2. Column C - Enter the Density. This is measured.
2
0.0
0.850
3. Highlight cells B4-C28
3
0.0
0.870
4. Click on Charts - Scatter - Marked Scatter
4
0.0
0.830
5
0.0
0.860
6
30.0
0.950
7
30.0
1.140
8
30.0
1.170
9
30.0
1.200
1.250
10
30.0
1.090
1.200
11
15.0
1.060
1.150
12
15.0
1.080
13
15.0
1.070
14
15.0
1.060
0.950
15
15.0
1.080
0.900
16
7.5
1.030
17
7.5
1.030
18
7.5
1.020
19
7.5
1.030
6. Click on a data point
20
7.5
1.040
7. Click on Chart Layout - Trendline - Linear Trendline
21
3.75
1.000
8. Click on the line
22
3.75
0.991
9. Click on Options - Check Display equation on chart - Check Display R-squ
23
3.75
1.010
10. Click on the box with the equation and R-squared; Drag into a favorable loc
24
3.75
1.000
11. Click on the y-axis
A plot will pop up with Solubility (x-axis) and Density (y-axis)
5. Drag plot to thie highlighted * in cell E7
Density
*
Relationship between Mass of NaCl and
Density of NaCl Solution
1.100
1.050
y = 0.0068x + 0.9373
R² = 0.5649
1.000
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
Mass
25
3.75
1.010
12. Set Minimum at 0.90
The Equation will be needed to extrapolate the amount of NaCl in each T
13. Go to Print - should be set to Landscape with 0.5" margins already - check Fit to Page
14. Go to PDF drop menu and Click Save as PDF
15. Name This DATA ANALYSIS --> ChangV_Solubility_Data Analysis_Part 1
O. This is calculated based on the Stock Solution.
35.0