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CMC Medical CMC-Medical VELLORE Solved Paper-2007

  • question_answer
    If the heat of solution for one mole of KCl in 20 moles of water and 200 moles of water was + 3.80 kcal and +4.40 kcal respectively, then the heat of dilution is

    A)  + 8.20 kcal         

    B)  - 8.2 kcal

    C)  + 0.60 kcal         

    D)  - 0.60 kcal

    Correct Answer: C

    Solution :

                    Heat of dilution is the heat change when a solution containing one mole of the solute is diluted from one concentration to another i.e., \[=4.40-3.80=0.60kcal\]


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