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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 7

  • question_answer
    For  109% labelled oleum, if the number of moles of \[{{H}_{2}}S{{O}_{4}}\]and free \[S{{O}_{3}}\] be p and q respectively, then what will be the value of \[\frac{p-q}{p+q}\]?

    Answer:

    1/9


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