A 5.0 mmol dm?³ aqueous solution of KCl has a conductance of 0.55 mS when measured in a cell of cell constant 1.3 cm?¹. The molar conductivity of this solution is __________ mSm² mol?¹.
A 5.0 mmol dm?³ aqueous solution of KCl has a conductance of 0.55 mS when measured in a cell of cell constant 1.3 cm?¹. The molar conductivity of this solution is __________ mSm² mol?¹.
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1 Answer
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First, the specific conductance (κ) is calculated (κ = conductance × cell constant), and units are converted. Then, the molar conductivity (Λ? ) is found using the formula Λ? = κ / Concentration, with all units in the SI system. The calculation yields 14.3 mS m² mol? ¹.
Answer: 14 (Rounded off)
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