What is the molar conductivity of $0.02 \text{ M}$ $KI$ solution if its conductivity is $4.37 \times 10^{-4} \text{ }\Omega^{-1} \text{cm}^{-1}$?

• A
  $74 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$
• B
  $21.85 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$
• C
  $43.70 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$
• D
  $65 \text{ }\Omega^{-1} \text{cm}^2 \text{mol}^{-1}$