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12th Class Chemistry Solutions / विलयन Question Bank MCQs - Solutions

  • question_answer
    What is the mass percentage of carbon tetrachloride if 22 g of benzene is dissolved in 122 g of carbon tetrachloride?

    A) 84.72%

    B) 15.28%

    C) 50%

    D) 44%

    Correct Answer: A

    Solution :

    Mass of solution = Mass of \[{{C}_{6}}{{H}_{6}}\] + Mass of\[CC{{l}_{4}}\] \[=22+\text{ }122=\text{ }144\text{ }g\] Mass % of \[CC{{l}_{4}}\] = \[\frac{122}{144}\times \] 100 =84.72%


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