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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Self Evaluation Test - Some Basic Concepts of Chemistry

  • question_answer
    Two glucose solutions are mixed. One has a volume of 480 mL and a concentration of 1.50 M and the second has a volume of 520 mL and concentration 1.20 M. The molarity of final solution is

    A) 1.20M              

    B) 1.50M

    C) 1.34M      

    D) 2.70 M

    Correct Answer: C

    Solution :

    [c] \[{{M}_{1}}{{V}_{1}}+{{M}_{2}}{{V}_{2}}={{M}_{3}}{{V}_{3}}({{V}_{3}}={{V}_{1}}+{{V}_{2}})\] \[1.5\times 480+1.2\times 520={{M}_{3}}\times 1000\] \[{{M}_{3}}=1.34M\]   


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