Why does the concentration of a solute cause the movement of water through osmosis?
Water is unusual in that it can cross a non-polar membrane but also react and form solutions with ions and polar molecules that cannot cross the same membrane. When water molecules react with a solute they are no longer free to cross the membrane. The more solute, the fewer molecules left that are free to diffuse across the membrane. Therefore a highly concentrated solution (one with lots of solute) has a low effective concentration of water. Therefore water will tend to diffuse across a membrane from Read moreareas of low solute concentration to areas of high solute concentration – until the concentration of the solution is equal on both sides. This is only true if the solute cannot cross the membrane.
The water will only move through the membrane in one direction while the solute will move through the membrane in the other.
The solute will pass through the membrane in both directions until equilibrium is reached on both sides of the membrane for the solute.
Both the water and the solute will pass through the membrane in both directions until equilibrium is reached on both sides of the membrane for both water and the solute.
The motion of the molecules of both the solute and water will cease when equilibrium is reached.
None of the above
The water will diffuse through the membrane until there is an equal volume of solute on both sides.
The water will diffuse through the membrane until there is an equal volume of water on both sides.
The water will diffuse through the membrane until there is an equal concentration of water on both sides.
The water will diffuse through the membrane until there is an equal concentration of solute on both sides.
The water will diffuse through the membrane until there is an equal concentration of solute and water on both sides.
the solution on the side of the membrane with the least solute.
The solution on the side of the membrane with the most solute.
The solution on the one side of the membrane that has reached equilibrium.
The solution on either side of the membrane that has reached equilibrium.
The solution on neither side of the membrane due to the constant motion of the molecules.
True
False
True
False
Molecules from an area of high concentration to an area of lower concentration
Molecules from an area of low concentration to an area of higher concentration.
Water molecules across a membrane from an area of low water to an area of higher concentration.
Water molecules across a membrane from an area of high water concentration to an area of lower concentration.
Water molecules inside a container.
small polar molecules
Small nonpolar molecules
Large polar molecules
Large nonpolar molecules
Large neutral molecules
Expand.
Burst.
Shrink.
Have no change in shape.
Become a white blood cell.
True
False
True
False
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