Calculate ∧∞HOAc using appropriate molar conductances of the electrolytes listed above at infinite dilution in H2O at 250C:
A
217. 5
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B
390.7
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C
552.7
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D
517.2
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Solution
The correct option is B 390.7 According to Kohlrausch law of independent migration of ions, the molar conductivity of an electrolyte at infinite dilution is equal to the sum of the contributions of the molar conductivities of its ions. Hence, Λ∞HOAc=Λ∞H++Λ∞AcO−