The ionic conductance of Ba²⁺ and Cl⁻ are respectively 127 and 76 Ω₋₁ cm² at infinite dilution. The equivalent conductance (in Ω₋₁ cm²) of BaCl₂ at infinite dilution will be:
a. 101.5
b. 203.5
c. 279.5
d. 139.5