Equal amounts of two solutes,A and B,are placed into the same beaker of water at the same time.Solute A reaches diffusion equilibrium faster than solute B.What is the most likely explanation for this observation?
A)The temperature was greater for solute A than solute B.
B)The concentration gradient for A was greater than B.
C)Solute A is smaller than solute B.
D)Solute A traveled a shorter distance than solute B.
E)Solute B is more soluble in water than solute A.

Question

Quizplus · Accepted Answer

Solute A is smaller than solute B, which likely allows it to move more freely through the solvent, reaching diffusion equilibrium faster.

Equal Amounts of Two Solutes,A and B,are Placed into the Same