Question

(b.4b) a laboratory investigation involves putting a 20% sucrose solution into a dialysis bag, and placing the bag in a beaker of 5% sucrose solution, as shown in the diagram below. the bag is permeable to water, but not to sucrose. which statement best describes the cell after 30 minutes? the bag will become smaller, since water will move from the bag into the beaker. the bag will become larger, since water will move from the beaker into the bag. the bag will become larger, since sucrose will move from the beaker into the bag. the bag will become smaller, since sucrose will move from the bag into the beaker.

Explanation:

The bag contains a 20% sucrose solution and is placed in a 5% sucrose solution. The bag is permeable to water but not to sucrose. Osmosis is the movement of water from an area of lower solute concentration (higher water - concentration) to an area of higher solute concentration (lower water - concentration). The beaker has a lower solute (sucrose) concentration and higher water concentration compared to the bag. So, water will move from the beaker into the bag.

Answer:

The bag will become larger, since water will move from the beaker into the bag.