The mass and volume data for six different samples of the same unknown substance were collected using the procedure in this activity. A plot of the data was
created in Excel and the data were fit to the equation of a line, shown below.
Mass (g)
40
35
30
25
20
15
10
5
0
y 0.7844x-0.5913)
R2 0.9998
0
30
Volume (ml)
Based upon the plot, what is the density of the unknown substance?
10
p
20
40
density plot
50
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