6. An osmosis investigation was conducted using chicken eggs to represent cells with semipermeable membranes. The mass of each egg
was measured to determine how much water diffused into or out of
the eggs. The eggs were first soaked in vinegar to dissolve the shell.
Each egg was then placed in one of three different solutions for 24
hours. The table below shows the results of the investigation.
Osmosis in Cells
Solution
Average Average Difference Percent
Mass of Mass of in Average Change in
Eggs
Eggs
Mass Average
Before After (grams) Mass
Soaking Soaking
(grams) (grams)
71.2 98.6 27.4 +38.5
Vinegar (95% water)
98.6
64.5
34.1
Corn Syrup (5% water)
-34.6
Distilled Water (100% water)
64.5
105.3
40.8
+63.3
7. Based on this experiment, which of the following should be inferred
about cells with semipermeable membranes?
A. Substances other than water may also cross the cell
membrane.
B. Substances other than water may block pores in the cell
membrane.
C. Water enters the cell when placed in environments of high
water concentration.
D. Water leaves the cell when placed in environments with a low
concentration of solutes
ed