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JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Method of expressing concentration of solution

  • question_answer
    What is the molality of a solution which contains 18 g of glucose \[({{C}_{6}}{{H}_{12}}{{O}_{6}})\] in 250 g of water                [UPSEAT 2001]

    A)                 4.0 m     

    B)                 0.4 m

    C)                 4.2 m     

    D)                 0.8 m

    Correct Answer: B

    Solution :

              Molality \[=\frac{w}{m\times W}\times 1000=\frac{18\times 1000}{180\times 250}\]\[=0.4\]m


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