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

  • question_answer
      6 g of a sample of a compound having boron and oxygen was found on analysis to contain2 g of boron and 4 g of oxygen. Calculate the percentage composition of the compound.

    Answer:

       Mass of compound = 6g Mass of boron in the compound = 2 g Mass of oxygen in the compound = 4 g Percentage of boron Percentage or oxygen


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