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

  • question_answer
      Find out the percentage composition of sulphuric acid

    Answer:

      Molecular mass of Atomic mass of H + 1 x Atomic mass of S + 4 x Atomic mass of O = 2 x 1 + 1 x 32 + 4 x 16 = 98 u Percentage of hydrogen (H)   Percentage of sulphur (S) Percentage of oxygen (O)


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