The equivalent conductivity of a solution containing 2.45 g of `CuSO_(4)` per litre, is `91.0 Omega^(-1) cm^(2) eq^(-1)`. Its conductivity would be
A. `1.45xx10^(-3)Omega^(-3)cm^(-1)`
B. `2.17xx10^(-3)Omega^(-3)cm^(-1)`
C. `2.90xx10^(-3)Omega^(-1)cm^(2)`
D. `2.9xx10^(-3)Omega^(-1)cm^(-1)`