Question
Download Solution PDFWhat is the correct statement related to Avogadro?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCorrect Answer Avogadro made a distinction between atoms and molecules.
Key PointsAvogadro is a term that refers to two related concepts in chemistry:
Avogadro's number:
- This is a fundamental constant in chemistry that represents the number of atoms or molecules in one mole of a substance. (Option 4 is correct)
- Its value is approximately 6.022 x 10^23, and it is denoted by the symbol "N_A".
- Avogadro's number is a key concept in stoichiometry.
- The branch of chemistry deals with the quantitative relationships between reactants and products in chemical reactions.
Amedeo Avogadro:
- He is best known for his contributions to the development of the mole concept in chemistry.
- Avogadro proposed that equal volumes of gases at the same temperature and pressure contain the same number of particles, which led to the development of Avogadro's law.
- He also proposed the hypothesis that the same volume of different gases, at the same temperature and pressure, contains an equal number of molecules. This hypothesis became known as Avogadro's principle.
- Avogadro's contributions to the development of the mole concept and the understanding of the behavior of gases have had a profound impact on the field of chemistry.
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