12th Class Chemistry Sample Paper Chemistry Sample Test Paper-4

  • question_answer
      Calculate the depression in freezing point of water when 10 g of is added to 250 g of water.                                                                                                                         [3]

    Answer:

      (depression in freezing point) moles of solute grams of solvent Molality = mol                                 [1] i = van't Hoff factor By Ostwald's dilution law                                                    [1]                                                                     [1]


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