A buffer contains of a monovalent ( ) salt at

PHYSICS · Subjective · Fermi University Physics · Biophysics & Medical Physics · Macromolecules, membranes and cell architecture · Macromolecules, membranes and cell architecture

Forces, Machines and Signals, Ch Charges in salt water and the assembly of amphiphiles

Problem

A buffer contains

300\,\mathrm{mM}

of a monovalent (

1{:}1

) salt at

298\,\mathrm{K}

, twice the physiological ionic strength. Using

\kappa^2 = 8\pi\ell_B c_\infty

with

\ell_B = 0.715\,\mathrm{nm}

and

c_\infty

the bulk number density of either ion species, find the Debye length.

Browse the problem library