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

  • question_answer
    25ml of a solution of barium hydroxide on titration with a 0.1molar solution of hydrochloric acid gave a litre value of 35 ml. The molarity of barium hydroxide solution was [AIEEE 2003]

    A)                 0.07       

    B)                 0.14

    C)                 0.28       

    D)                 0.35

    Correct Answer: A

    Solution :

           For HCl \[M=N=0.1\]            \[{{N}_{1}}{{V}_{1}}={{N}_{2}}{{V}_{2}}\]; \[25\times {{N}_{1}}=0.1\times 35\]                 \[{{N}_{1}}=\frac{0.1\times 35}{25}\] ; \[\therefore M=\frac{0.1\times 35}{25\times 2}=0.07\].


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