The molar conductance of NaCl, HCl and $CH_3COONa$ at infinite dilution are 126.45, 426.16 and 91.0 S cm$^2$ mol$^{-1}$ respectively. The molar conductance of $CH_3COOH$ at infinite dilution is. Choose the right option for your answer.
A $390.71\ S\ cm^2\ mol^{-1}$
B $698.28\ S\ cm^2\ mol^{-1}$
C $540.48\ S\ cm^2\ mol^{-1}$
D $201.28\ S\ cm^2\ mol^{-1}$