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

  • question_answer
      What is the fraction of the mass of water due to neutrons?

    Answer:

                      Mass of one mole (Avogadro Number) of neutrons ~ 1 g Mass of one neutron                 Mass of one molecule of water There are 8 neutrons in one atom of oxygen Mass of 8 neutrons Fraction of mass of water due to neutrons


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