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Concentration of a solution from its molar conductivity and conductivity

The same question, asked 3 times: 11 May 2023 S2*, 15 Apr 2026 S2*, 19 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    11 May 2023 S2

    63
    What is the concentration of an electrolyte solution to have molar conductivity of 101 Ω−1 cm2 mol−1101\ \Omega^{-1}\ \text{cm}^2\ \text{mol}^{-1} and conductivity of 1.01×10−2 Ω−1 cm−11.01\times10^{-2}\ \Omega^{-1}\ \text{cm}^{-1} at 298 K?

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  2. Question 2

    15 Apr 2026 S2

    24
    Calculate the concentration of silver nitrate solution if molar conductivity and conductivity of silver nitrate at 25∘25^\circC are respectively 120 ohm−1 cm2 mol−1120\ \mathrm{ohm^{-1}\,cm^2\,mol^{-1}} and 0.0024 ohm−1 cm−10.0024\ \mathrm{ohm^{-1}\,cm^{-1}}.

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  3. Question 3

    19 Apr 2026 S2

    30
    What must be the molarity of BaCl2\mathrm{BaCl_2} solution to have molar conductivity 240 Ω−1cm2mol−1240\ \Omega^{-1}\mathrm{cm^2mol^{-1}} and conductivity 0.012 Ω−1cm−10.012\ \Omega^{-1}\mathrm{cm^{-1}} at 25 ∘C25\ ^\circ\mathrm{C} ?

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