What is the percentage of deuterium in heavy water?

  1. A

    20%

  2. B

    80%

  3. C

    60%

  4. D

    40%

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    Solution:

    Heavy water=(D2O)

    Molecular formula of heavy water=H2  12OD2O

    M.Wt of heavy water=2(2)+16=20

    % of deuterium=wt of deuteriumM.wt of heavy water×100=420×100=20%

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