Mass - the decrease in the mass of the potato strip is due to the movement of water molecules outside of the plant cells. Water molecules in the cytoplasm are at a higher concentration than in the salt solution in the petri dish and so move along their concentration gradient out of the cells.
Mass - the decrease in the mass of the potato strip is due to the movement of water molecules outside of the plant cells. Water molecules in the cytoplasm are at a higher concentration than in the salt solution in the petri dish and so move along their concentration gradient out of the cells.
If you submerge potato cylinders in different concentrations of sucrose solutions, the mass of the potato cylinders will keep changing until an equilibrium is established between them and the surrounding solutions.
For example, if a potato cylinder is submerged into a sucrose solution with a higher concentration (hypertonic) than the cell sap of the potato cells, the potato cylinder will lose water to the surrounding solution and will keep losing water until the same concentration is established in the cell sap of the potato cylinder and the surrounding sucrose solution.
Thus, if you check the mass of the potato cylinder after 24 hours, it would have reduced due to loss of water. At 48 hours, it may or may not reduce further depending on if equilibrium has been reached. If equilibrium has been reached before or on the 24-hour mark, there will not be any further reduction in the weight of the potato cylinder. Otherwise, the weight will reduce further.
More on osmosis and equilibrium can be found here: https://brainly.com/question/14981701
