Essential Chemistry for IGCSE - Particles And Purification (Section 4 - No. 17)
How does increasing the concentration gradient affect the rate of diffusion?
It decreases the rate of diffusion.
It increases the rate of diffusion.
It has no effect on the rate of diffusion.
It may increase or decrease the rate of diffusion.
Explanation
A steeper concentration gradient (larger difference in concentration) leads to a faster rate of diffusion.
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