$17-$ Estimate the diffusivity of ethanol $(C_2{H}_{6}O)$ at infinite dilution in water at $298K.$ Molecular weight of water is $18\frac{g}{m}ol,$ the association factor for water is $2\mathrm{.}26,$ and viscosity of water is $0\mathrm{.}0089\frac{g}{c}m.s.$

A$)$

$9\mathrm{.}045{10}^{-10}\frac{m^2}{(s)}$

B$)$

$4\mathrm{.}638{10}^{-10}\frac{m^2}{(s)}$

C$)$

$1\mathrm{.}366{10}^{-10}\frac{m^2}{(s)}$

D$),3\mathrm{.}571{10}^{-10}\frac{m^2}{(s)}$