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

  • question_answer
    Calculate the number of sulphur molecules in a 300 g sample of sulphur \[[{{S}_{8}}].\]

    A) \[7.7\times {{10}^{20}}\,molecules\]

    B) \[7.05\times {{10}^{23}}\,molecules\]

    C) \[5.07\times {{10}^{23}}molecules\]

    D) \[6.023\times {{10}^{23}}\,molecules\]

    E) None of these

    Correct Answer: B

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