Water potential is the tendency of water to move from one place to another. Pumpkin cores were placed in sucrose solutions at 22°C and normal atmospheric pressure. The following data were gathered. Complete the above table. Graph the percentage change in mass. Label both the x and y axes. Using the graph, determine the molar concentration of the pumpkin cores and explain how it is related to pressure potential.

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Chapter9: Energy For Today
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  1. Water potential is the tendency of water to move from one place to another. Pumpkin cores were placed in sucrose solutions at 22°C and normal atmospheric pressure. The following data were gathered.
  • Complete the above table.
  • Graph the percentage change in mass. Label both the x and y axes.
  • Using the graph, determine the molar concentration of the pumpkin cores and explain how it is related to pressure potential.
Individual Data for Pumpkin Cores
Contents in
Initial
Percentage
change in mass
Final
beakers
mass
mass
Water
29.15
32.12
0.2 M sucrose
28.45
29.41
0.4 M sucrose
30.92
29.84
0.6 M sucrose
29.25
27.14
0.8 M sucrose
32.09
28.54
1.0 M sucrose
31.67
27.58
Transcribed Image Text:Individual Data for Pumpkin Cores Contents in Initial Percentage change in mass Final beakers mass mass Water 29.15 32.12 0.2 M sucrose 28.45 29.41 0.4 M sucrose 30.92 29.84 0.6 M sucrose 29.25 27.14 0.8 M sucrose 32.09 28.54 1.0 M sucrose 31.67 27.58
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