1.
If the values of Λ∞\Lambda^\infty of NH4_4Cl, NaOH and NaCl are 130, 217 and 109 ohm−1^{-1} cm2^2 equiv−1^{-1} respectively, the Λ∞\Lambda^\infty of NH4_4OH in ohm−1^{-1} cm2^2 equiv−1^{-1} is: