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The addition of 3 gm of substance to 100gm C Cl_(4) (M=154 gm "mol^(-1)) raises the boiling point of C Cl_(4) by 0.6^(@)C. K_(b)(C Cl_(4)) is5.03d kg "mol"^(-1)K, K_(f)(CCl_(4)) is31.8 kg "mol"^(-1)K and dencity of solution is 1.64 gm/ml . The molar mass of the substance is : |
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Answer» `37.9` |
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