Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 4 - No. 21)
In the experiment measuring the effect of temperature on diffusion, the rate of diffusion would be best measured by:
The time taken for a substance to diffuse a certain distance
The amount of the substance used.
The size of the molecules.
The concentration of the solute in the initial solution.
Explanation
The rate of diffusion is often determined by measuring the time it takes for the diffusing substance to travel a certain distance.
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