PAG 8 – An investigation into the water potential of potato cells
These are the serial dilution volumes
of sucrose with the potato cylinders.
Starting with water to 1.0 mol dm-3.
Results table:
Volume of sucrose Mass of potato Final mass of potato Percentage change
solution (mol dm-3) before (g) (g) in mass (%)
Water (0.0) 3.48 3.70 6.3
0.1 4.08 4.22 3.4
0.2 3.61 3.68 1.9
0.4 4.02 3.93 - 2.2
0.8 3.63 3.41 - 6.1
1.0 3.95 3.68 - 6.8
Graph:
These are the serial dilution volumes
of sucrose with the potato cylinders.
Starting with water to 1.0 mol dm-3.
Results table:
Volume of sucrose Mass of potato Final mass of potato Percentage change
solution (mol dm-3) before (g) (g) in mass (%)
Water (0.0) 3.48 3.70 6.3
0.1 4.08 4.22 3.4
0.2 3.61 3.68 1.9
0.4 4.02 3.93 - 2.2
0.8 3.63 3.41 - 6.1
1.0 3.95 3.68 - 6.8
Graph:
