Diffusion of a Solute Through a Solution is Decreased by An

Question

Diffusion of a solute through a solution is decreased by an
A)increased concentration gradient.
B)increased size of molecule.
C)increased diffusion coefficient.
D)increased diffusion area.

Accepted Answer

The size of the molecule affects the rate of diffusion, as larger molecules move more slowly through the solution. Therefore, increased size of the molecule decreases the diffusion of the solute. The concentration gradient, diffusion coefficient, and diffusion area affect the rate of diffusion in the opposite way, increasing the rate of diffusion if increased.