One crystal of potassium permanganate will diffuse 40mm within 10 minutes.
The weight of the chemical has an inverse relationship with the rate of diffusion. As a result of its low molecular weight, potassium permanganate diffuses at a rapid rate.
In water, potassium permanganate diffuses quickly much like any other solute particle that opposes the flow, especially in hot water where the molecules' high-temperature kinetic energy increases and the motion of the particles.
It takes 240mm/hour for one crystal of potassium permanganate to diffuse.
one crystal of potassium permanganate would diffuse in 10 minutes -
= 10 minutes = 1/6 hours
= 240 × 1/6
= 40mm
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