Practice question
Question
The molar conductivity of NH₄Cl at infinite dilution is 149.7 S cm² mol⁻¹. If λ°NH_₄⁺ = 73.4 S cm² mol⁻¹ , what is λ°Cl⁻ ?
Explanation
Lambdam° = λ°NH_₄⁺ + λ°Cl⁻ . 149.7 = 73.4 + λ°Cl⁻ , λ°Cl⁻ = 76.3 S cm² mol⁻¹ .
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