d$)$ In an aqueous ionic solution how can you calculate the viscosity, diffusion coefficient and the limiting molar conductivity of an ion if the ionic mobility and ionic radius are known? Using the data given in Table $16$B$.2$ for $R{b}^{+}$calculate the viscosity, diffusion coefficient and limiting molar conductivity of $R{b}^{+}$at $25C.$ Ionic radius of $R{b}^{+}$is $146pm.$ Hint: Force per mole of ion, $F=N_{A}e$ where $N_A$ is the Avogadro's number and $e$ is the electron charge.

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