### Formula

RH

the Stokes radius

D

the diffusion coefficient

T

the temperature

eta

the viscosity of the medium

R

gas constant

RH

the Stokes radius

D

the diffusion coefficient

T

the temperature

eta

the viscosity of the medium

R

gas constant

The Stokes radius, Stokes-Einstein radius, or hydrodynamic radius RH, is the radius of a hard sphere that diffuses at the same rate as the molecule.

D

T

eta

R

RH

Precision

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