JIPMER Jipmer Medical Solved Paper-2002

  • question_answer
    What is packing fraction of \[{}_{26}F{{e}^{56}}\]? (At. mass = 55.92066)

    A)  \[+\,14.167\]         

    B)         \[+\,73.90\]      

    C)  \[-14.167\]         

    D)         \[-\,73.90\]

    Correct Answer: C

    Solution :

    We know that Packing fraction \[=\frac{\text{Isotopic}\,\text{mass}-\,\text{mass}\,\text{number}}{\text{mass}\,\text{number}}\times {{10}^{4}}\] \[=\frac{55.92066-56}{56}\times {{10}^{4}}\] \[=-\frac{0.07934}{56}\times 10000=-\,14.167\]


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