ElectrochemistryHard
Question
The resistance of 1 M – CH3COOH solution is 250 Ω, when measured in a cell of cell constant 125 m−1. The molar conductivity, in Ω−1 m2 mol−1 is
Options
A.5.0 × 10−4
B.500
C.2 × 10−3
D.200
Solution
$\Lambda_{m} = \frac{k}{C} = \frac{(1/250) \times 125}{1 \times 10^{3}} = 5 \times 10^{- 4}\text{ oh}\text{m}^{- 1}\text{ }\text{m}^{2}\text{ mo}\text{l}^{- 1}$
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