Osmosis potato mass, Explain how the potato cylinders

Osmosis potato mass

Reference no: EM1382921

Contents in Test Tube	Initial Mass of Two Potato Strips	Final Mass of Two Strips	Mass Difference	Change in Mass%
a) Distilled Water	1.7g	1.8
b) 1.0 M Sucrose	1.7	1.0
c) 0.8 M Sucrose	2.0	1.5
d) 0.6 M Sucrose	1.8	1.5
e) 0.4 M Sucrose	1.9	1.7
f) 0.2 M Sucrose	1.6	1.7

Describe how the potato cylinders changed in their turgidity. Identify which of the solutions were isotonic, hypertonic, and hypotonic in relation to the potato.

What would happen to a red blood cell placed in distilled water? Why?

Determine the molar concentration of the sucrose contained in the potato strips by using the graph created in Question C. At the point where the molar concentration of the sucrose in the potato would be isotonic to the sucrose, there would be no net change in the potato mass. On the graph this is located at the 0% change. Draw a line from this place on the y-axis to intersect the line. From the line draw a line down to the x-axis to find the molarity.

Molar concentration of sucrose in potato = ___________________ M

Reference no: EM1382921

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