If Lambda _{NaCl}^{o}=126,S,cm^{2}mol^{-1},La | vedclass

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(C) According to Kohlrausch's law of independent migration of ions:$\Lambda ^{o}_{NaBr} = \Lambda ^{o}_{Na^+} + \Lambda ^{o}_{Br^-}$We can express thi

Vedclass · Accepted Answer

$128$

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(C) According to Kohlrausch's law of independent migration of ions:$\Lambda ^{o}_{NaBr} = \Lambda ^{o}_{Na^+} + \Lambda ^{o}_{Br^-}$We can express this using the given values:$\Lambda ^{o}_{NaBr} = \Lambda ^{o}_{NaCl} + \Lambda ^{o}_{KBr} - \Lambda ^{o}_{KCl}$Substituting the given values:$\Lambda ^{o}_{NaBr} = 126 + 152 - 150$$\Lambda ^{o}_{NaBr} = 278 - 150 = 128\,S\,cm^{2}mol^{-1}$

If $\Lambda _{NaCl}^{o}=126\,S\,cm^{2}mol^{-1}$,$\Lambda _{KBr}^{o}=152\,S\,cm^{2}mol^{-1}$,and $\Lambda _{KCl}^{o}=150\,S\,cm^{2}mol^{-1}$,then find $\Lambda ^{o}_{NaBr}$ in $S\,cm^{2}mol^{-1}$.

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