The specific conductance of 0.01M solution of acetic acid was found to be 0.0163Sm−1 at 25°C. Calculate the degree of dissociation of the acid. Molar conductance of acetic acid at infinite dilution is 390.7×10−4Sm2mol−1 at 25°C.
A
0.0632
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B
0.0472
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C
0.0823
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D
0.0984
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Solution
The correct option is B 0.0472 Given, κ=0.0163Sm−1;c=0.01moldm−3=10molm−3