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9th Class Science Atoms and Molecules

  • question_answer 42)
      Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them. (a) Ammonia                      (b) Carbon monoxide     (c) Hydrogen chloride        (d) Aluminium fluoride (e) Magnesium sulphide

    Answer:

                     
    S. No. Compounds Chemical formula Ratio by mass of the combining elements
    (a) Ammonia
    (b) Carbon monoxide
    (c) Aluminium fluoride HCl
    (d) Aluminium fluoride
    (e) Magnesium sulphide MgS
     


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