Conductivity of 2.510⁻⁴ M methanoic acid is 5.2510⁻⁵ S/cm. Calculate its molar conductivity and degree of dissociation. Given Λ◦(H ) = 349 scm² mol⁻¹, Λ◦(HCOO⁻) = 50.5 scm² mol⁻¹.
a) 399.5 S cm² mol⁻¹, 0.26
b) 299.5 S cm² mol⁻¹, 0.26
c) 399.5 S cm² mol⁻¹, 0.36
d) 299.5 S cm² mol⁻¹, 0.36