The molar conductances of $NaCl$,$HCl$,and $CH_3COONa$ at infinite dilution are $126.45$,$426.16$,and $91 \ \Omega^{-1} \ cm^2 \ mol^{-1}$ respectively. The molar conductance of $CH_3COOH$ at infinite dilution is .............. $\Omega^{-1} \ cm^2 \ mol^{-1}$.
- A$201.28$
- B$390.71$
- C$698.28$
- D$540.48$
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