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The limiting molar conductivities \( \Lambda^{0} \) for \( \mathrm{NaCl} \), \( \mathrm{KBr} \) and \( \mathrm{KCl} \) are math xmlns=http://www.w3.org/1998/Math/MathMLmn126/mnmo,/momn152/mn/math and \( 150 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1} \) respectively. The \( \Lambda^{0} \) for \( \mathrm{NaBr} \) is:
(A) \( 278 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1} \)
(B) \( 176 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1} \)
(C) \( 128 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1} \)
(D) \( 302 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1} \)
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