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  3. 9th Class
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  5. Atoms and Molecules

9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    Calculate the mass of \[{{H}_{2}}{{O}_{2}}\] contained in \[0.4\] mole of\[{{H}_{2}}{{O}_{2}}\].

    A) 18.2 g              

    B) 13.6 g

    C) 13.4 g  

    D)        18.4.

    E) None of these

    Correct Answer: B

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