A 5.0 m mol 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 (Round off to the Nearest integer).

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answer is 14.3 .

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Detailed Solution

K=C×ℓa=0.55×1.3mScm−1=0.55×1.3×102mSm−1=55×1.3msSm−1Δm=K×11000×Msm2mol−1=55×1.3×11000×5×10−3 =14.3ms.m2mol−1

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