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Using Kohlrausch law, calculate $λ$ ₀ for acetic acid, if $λ$ ₀ values for hydrochloric acid, sodium chloride and sodium acetate are respectively 426, and 91 S cm²mol^-1

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Detailed Solution

$λ_{0}$ of acetic acid = $λ_{0}$ of ${CH}_{3} {COO}^{-} + λ_{0} O of H^{+}$
$λ_{0} of CHI + λ_{0} OF {CH}_{3} COONa - λ_{0} of NaCI$
= 426+91 -126
=391 S cm²mol^-1

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