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NEET Chemistry Concepts of Acids & Bases NEET PYQ-Concepts Of Acids Bases

  • question_answer
    How many gram of dibasic acid (mol. wt. 200) should be present in 100 mL of the aqueous solution to give 0.1 N?                    [AIPMT 1999]

    A)  1 g   

    B)                   2 g                  

    C)  10 g    

    D)                  20 g

    Correct Answer: A

    Solution :

    Equivalent wt. of dibasic acid \[=\frac{Mol\,.wt.}{2}\]       
    \[=\frac{200}{2}=100\]
    Strength = 0.1 N, m = ?, V = 100 mL
    then,    
    \[m=\frac{E\,V\,N}{1000}=\frac{100\times 100\times 0.1}{1000}=1\,g\]


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