Calculate the molar conductivity of $0.2 \text{ M}$ $KCl$ solution at $298 \text{ K}$ given that the conductivity $\kappa = 0.0248 \text{ }\Omega^{-1} \text{cm}^{-1}$.
- A$143 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$
- B$98 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$
- C$124 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$
- D$87 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$
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