Test Academy | The molar conductivity of 0.007 M acetic acid is 20 S cm2 mol⁻¹. What is the dissociation constant of acetic acid ? Choose the correct option. [ ∧ H + ∘ = 350 S c m 2 m o l − 1 ∧ C H 3 C O O − ∘ = 50 S c m 2 m o l − 1 ] 1.75×10⁻⁴ mol L⁻¹, 1.75×10⁻⁴ mol L⁻¹, 1.75×10⁻⁵ mol L⁻¹, 2.50×10⁻⁵ mol L⁻¹

Question

The molar conductivity of 0.007 M acetic acid is 20 S cm2 mol⁻¹. What is the dissociation constant of acetic acid ? Choose the correct option.

$[\begin{matrix} \land_{H^{+}}^{\circ} = 350 S c m^{2} m o l^{- 1} \\ \land_{C H_{3} C O O^{-}}^{\circ} = 50 S c m^{2} m o l^{- 1} \end{matrix}]$

Options :

1.75×10⁻⁴ mol L⁻¹
1.75×10⁻⁴ mol L⁻¹
1.75×10⁻⁵ mol L⁻¹
2.50×10⁻⁵ mol L⁻¹

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