Practice question
Question
The molar conductivity of NaCl at infinite dilution is 126.4 S cm² mol⁻¹. If λ°Na⁺ = 50.1 S cm² mol⁻¹ , what is λ°Cl⁻ ?
Explanation
Lambdam° = λ°Na⁺ + λ°Cl⁻ . 126.4 = 50.1 + λ°Cl⁻ , λ°Cl⁻ = 76.3 S cm² mol⁻¹ .
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