What is the value of Avogadro's number?

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OSSC Soil Conservation Extension Worker Official Paper II 11 Feb 2022
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  1. 6.022 * 1023 mol-1
  2. 1.38 * 10-23 mol-1
  3. 9.109 * 10-31 mol-1
  4. 1.602 * 10-19 mol-1

Answer (Detailed Solution Below)

Option 1 : 6.022 * 1023 mol-1

Detailed Solution

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The correct answer is 6.022 * 1023 mol-1.

Key Points

  • Avogadro's number is a fundamental constant in chemistry.
  • It defines the number of particles (atoms, molecules, ions, etc.) in one mole of a substance.
  • Its value is approximately 6.022 × 1023 particles per mole.
  • It allows chemists to count particles by weighing them.

Additional Information

  • Avogadro's Law:
    • Avogadro's law states that equal volumes of all gases, at the same temperature and pressure, have the same number of molecules.
    • This law provides the relationship between the volume of a gas and the amount of substance of the gas present.
Latest OSSC Soil Conservation Extension Worker Updates

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-> OSSC Soil Conservation Extension Worker Merit List has been released for Prelims (2023 cycle). 

-> A total number of 324 Vacancies have been announced for the post of Soil Conservation Extension Worker under the Directorate of Soil Conservation and Watershed Development.

-> Eligible candidates had registered from 27th November 2024 to 26th December 2024. The applications for the post will be accepted in online mode only.

-> Candidates must refer to the OSSC Soil Conservation Extension Worker Previous Year Papers to analyze the trend of the questions for the examination. 

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