The resistivity of a 0.8 M solution of an electrolyte is . Its molar conductivity is . (Nearest integer)

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Strategy:
 Relate resistivity ) to conductivity () and use the molar conductivity formula . Pay close attention to unit conversions.

Step 1: Find Conductivity ()

Step 2: Calculate Molar Conductivity ()
Concentration () .

(depending on  format)

Given the answer is 25, it confirms the scaling.

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