As the concentration gradient of a solute molecule decreases, _____.Group of answer choiceschange in rate of diffusion is unpredictablechange in rate of diffusion is unaffectedthe rate of diffusion increasesthe rate of diffusion decreasesNext
Question
As the concentration gradient of a solute molecule decreases, _____.Group of answer choiceschange in rate of diffusion is unpredictablechange in rate of diffusion is unaffectedthe rate of diffusion increasesthe rate of diffusion decreasesNext
Solution
The rate of diffusion decreases.
Here's why: Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. This is driven by the concentration gradient, which is the difference in concentration of a substance between two areas. When the concentration gradient decreases, it means the difference in concentration between the two areas is getting smaller. As a result, the rate of diffusion decreases because there is less of a driving force pushing the molecules to move.
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