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

  • question_answer
    What will be the molarity of 30 mL of 0.5 M \[{{H}_{2}}S{{O}_{4}}\]solution diluted to 500 mL?

    A) 0.3 M

    B) 0.03 M

    C) 3M

    D) 0.103 M

    Correct Answer: B

    Solution :

    \[{{V}_{1}}=30\,mL\],\[{{M}_{1}}=0.5\,M\],\[{{V}_{2}}=500\,mL\],\[{{M}_{2}}=?\] \[{{M}_{1}}{{V}_{1}}={{M}_{2}}{{V}_{2}}\] \[0.5\times 30={{M}_{2}}\times 500\] or \[{{M}_{2}}=0.03\,M\]


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