Conductivity of 2.5 x 10⁻⁴ M methanoic acid is 5.25 x 10⁻⁵ S cm-1. Calculate its molar conductivity and degree of dissociation. Given : λ°(H+) = 349.5 S cm²/ mol and λ°(HCOO-) = 50.5 S cm²/mol