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

  • question_answer
    Approximate atomic weight of an element is 26.89. If its equivalent weight is 8.9, the exact atomic weight of element would be                                         [DPMT 1984]

    A)                 26.89     

    B)                 8.9         

    C)                 17.8       

    D)                 26.7

    Correct Answer: D

    Solution :

               Atomic weight = Equivalent weight × Valency                                                       \[=8.9\times 3=26.7\]\[\left( \text{Valency}=\frac{\text{26}\text{.89}}{\text{8}\text{.9}}\approx 3 \right)\].


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