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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Chemical stoichiometry

  • question_answer
    How many g of a dibasic acid (Mol. wt. = 200) should be present in 100 ml of its aqueous solution to give decinormal strength                                       [AIIMS 1992]

    A)                 1 g          

    B)                 2 g

    C)                 10 g       

    D)                 20 g

    Correct Answer: A

    Solution :

               For Dibasic acid \[E=\frac{M}{2}=\frac{200}{2}=100\]                    \[N=\frac{W\times 1000}{E\times V(\text{in }ml)}\]                                 \[\frac{1}{10}=\frac{W\times 1000}{100\times 100}=W=1gm\].


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