Question

The ionic mobilities of the cation and the anion of a salt are 140 and 80 mho respectively. The equivalent conductivity of the salt at infinite dilution will be

• A. 160 mho
• B. 280 mho
• C. 60 mho
• D. 220 mho

Answer 1

Answer: (D)

220 mho

Answer 2

$\Lambda_{eq}^{0} = \lambda_{c}^{0} + \lambda_{a}^{0} = 140 + 80 = 220mho.$