sources of error for osmosis tests

Question 1

1.

Answer 1

drops of water stick onto the surface of the visking tubing when it is being filled up
— some water loss from the measuring cylinder causing the readings of the water level to be lower

Question 2

2.

Answer 2

the interior of the visking tubing is wet when it is filled with solution
— sucrose solution is diluted causing higher readings in the object containing the water (lesser water moved)