During diffusion, solute molecules move
A) up a concentration gradient of solute molecules.
B) down a concentration gradient of solvent molecules.
C) down a concentration gradient of solute molecules.
D) unpredictably with regards to a concentration gradient of solvent molecules.

Question

Quizplus · Accepted Answer

Diffusion involves the movement of solute molecules from an area of higher concentration to an area of lower concentration. This means that solute molecules will move down a concentration gradient of solute molecules.

During Diffusion, Solute Molecules Move