VMMC VMMC Medical Solved Paper-2002

  • question_answer
     The density of \[\text{HCl}\] is 1.21 g/mL. Its normality is:

    A)  33.15 N               

    B)         18.3 N                 

    C)  198 N                   

    D)         35 N

    Correct Answer: A

    Solution :

    \[\text{Density}\,\text{=}\frac{\text{mass}}{\text{volume}}\] \[=\frac{1.21\,g}{1\,\text{ml}}=\frac{1.21\times 1000\,g}{1\,\text{litre}}\] \[=1210\,\,\text{g/litre}\] Equivalent weight of \[\text{HCl}\,\text{=}\,\text{36}\text{.5}\] \[\text{Normality}\,\text{=}\,\frac{}{\text{E}\text{.V}\,\text{(litre)}}.\] \[=\frac{1210}{36.5\times 1}=33.15\,N\]


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