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[" A solution of "1.25g" of a non-electr...

[" A solution of "1.25g" of a non-electrolyte in "20g" of "],[" water freezes at "271.94K" .If "K_(i)=1.86K" molality "^(-1)],[" then the molecular wt.of the solute is : "],[[" (1) "207.8g/mol," (2) "179.79g/mol" ."],[" (1) "," (4) "109.6g/mol.]]

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