Plotting 1/Δm against cΔm for aqueous solutions of a monobasic weak acid (HX) resulted in a straight line with y-axis intercept of P and slope of S. The ratio P/S is
[Δm = molar conductivity
\(\Lambda_{\mathrm{m}}^{\circ}\) = limiting molar conductivity
c = molar concentration
Ka = dissociation constant of HX]
1
\(\mathrm{K}_{\mathrm{a}}\Lambda _{\mathrm{m}}^{\circ }\)
2
\(\mathrm{K}_{\mathrm{a}}\Lambda _{\mathrm{m}}^{\circ }/2\)
3
\(2\mathrm{~K}_{\mathrm{a}}\Lambda _{\mathrm{m}}^{\circ }\)
4
\(1/\left(\mathrm{K}_{\mathrm{a}}\Lambda _{\mathrm{m}}^{\circ }\right)\)