The conductivity of $0.04 \ M \ BaCl_2$ solution is $0.0112 \ \Omega^{-1} \ cm^{-1}$ at $25^{\circ} C$. What is its molar conductivity?
- A$357.0 \ \Omega^{-1} \ cm^2 \ mol^{-1}$
- B$140.0 \ \Omega^{-1} \ cm^2 \ mol^{-1}$
- C$44.8 \ \Omega^{-1} \ cm^2 \ mol^{-1}$
- D$280.0 \ \Omega^{-1} \ cm^2 \ mol^{-1}$
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