Picture a beaker divided by a semipermeable membrane like...

Picture a beaker divided by a semipermeable membrane like the one in Figure 4.6. Imagine that you put 5 grams of sugar in the left side of the beaker and 10 grams of sugar in the right side, and then add water to bring both sides to the same depth. Select the correct terms in the following description of what happens next: The water will move by osmosis to the (left side / right side) of the beaker because there are (more / fewer) molecules of solute and (more/ fewer) molecules of water on that side.

Picture a beaker divided by a semipermeable membrane like the one in Figure 4.6. Imagine that you put 5 grams of sugar in the left side of the beaker and 10 grams of sugar in the right side, and then add water to bring both sides to the same depth. Select the correct terms in the following description of what happens next:
The water will move by osmosis to the (left side / right side) of the beaker because there are (more / fewer) molecules of solute and (more/ fewer) molecules of water on that side.

Key Concepts

Osmosis

Osmosis is the passive movement of water molecules through a semipermeable membrane from an area with lower solute concentration (and therefore higher water concentration) to an area with higher solute concentration (lower water concentration) until equilibrium is reached. This process is fundamental in biology and chemistry, influencing the distribution of fluids in natural and artificial systems.

Semipermeable Membrane

A semipermeable membrane is a barrier that allows certain substances, typically small molecules like water, to pass through while preventing larger particles or solutes from crossing. This selective permeability is crucial for processes like osmosis, where the movement of water is regulated based on solute concentration differences.

Concentration Gradient

A concentration gradient exists when there is a difference in the concentration of a substance (solute) between two regions. In the context of osmosis, this gradient drives the movement of water from a region of lower solute concentration (more water) to a region of higher solute concentration (less water) until the concentrations on both sides become more equal.

Osmotic Pressure

Osmotic pressure is the pressure that must be applied to a solution to prevent the inward flow of water across a semipermeable membrane due to osmosis. It is directly related to the solute concentration and is a key factor in understanding how water movement can affect cell turgor, fluid balances, and other biological or chemical systems.

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