Electrochemistry (Molar Conductivity)

For a salt XY, a strong electrolyte, the plot of Lambda_m versus sqrt(c) has a slope of -90.0 S cm^2 mol^-3/2 L^1/2 at 298 K. At 0.01 M concentration of XY, Lambda_m is 145.0 S cm^2 mol^-1. The limiting molar conductivity of the Y^- ion (in S cm^2 mol^-1) at 298 K will be: (Given: lambda0(X+) = 74.0 S cm^2 mol^-1)