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Daksha Singh
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Asked: 2020-10-28T04:54:30+00:00 In:

Calculate the number of molecules of Sulphur (S8) present in 16 g of solid Sulphur.

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NCERT Solutions for Class 9 Science Chapter 3
Atoms And Molecules
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-44
Questions No-10

2020-2021atoms and moleculescbsechapter 3class9ncertscience
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    1 Answer

    1. 1 mole of solid sulphur (S₈) = 8 × 32g = 256g
      i.e., 256g of solid sulphur contains = 6.022 × 10²³ molecules
      Then, 16g of solid sulpur contains 6.022×10²³ /256×16 molecules
      = 3.76 × 10²² molecules (approx)

      For more answers visit to website:
      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/

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