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Avogadro’s number is the number of molecules present in
- a)1 litre of molecule
- b)1 g of molecule
- c)gram molecular mass
- d)1 g atom of molecules
Correct answer is option 'C'. Can you explain this answer?
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Avogadro’s number is the number of molecules present ina)1 litre...
Avogadro's Number and Gram Molecular Mass:
Avogadro's number, denoted as \(N_A\), is a fundamental constant in chemistry that represents the number of particles (atoms, molecules, ions, etc.) in one mole of a substance. The value of Avogadro's number is approximately \(6.022 \times 10^{23}\) particles per mole.
Explanation:
Gram Molecular Mass:
- Gram molecular mass is the mass of one mole of a substance in grams. It is numerically equal to the molecular mass of a substance expressed in atomic mass units (amu).
- For example, the gram molecular mass of water (H2O) is 18 g/mol, which means one mole of water weighs 18 grams.
Relationship between Avogadro's Number and Gram Molecular Mass:
- Avogadro's number is the number of particles present in one mole of a substance. Therefore, if we have one mole of a substance with a gram molecular mass, it will contain Avogadro's number of molecules.
- For example, if we have one mole of a substance with a gram molecular mass of 18 g/mol, it will contain approximately \(6.022 \times 10^{23}\) molecules.
Answer:
- In the given question, Avogadro's number is related to the gram molecular mass because one mole of a substance with a specific gram molecular mass will contain Avogadro's number of molecules.
- Therefore, the correct answer is option 'C', gram molecular mass, as Avogadro's number is the number of molecules present in one mole of a substance.
Avogadro's number, denoted as \(N_A\), is a fundamental constant in chemistry that represents the number of particles (atoms, molecules, ions, etc.) in one mole of a substance. The value of Avogadro's number is approximately \(6.022 \times 10^{23}\) particles per mole.
Explanation:
Gram Molecular Mass:
- Gram molecular mass is the mass of one mole of a substance in grams. It is numerically equal to the molecular mass of a substance expressed in atomic mass units (amu).
- For example, the gram molecular mass of water (H2O) is 18 g/mol, which means one mole of water weighs 18 grams.
Relationship between Avogadro's Number and Gram Molecular Mass:
- Avogadro's number is the number of particles present in one mole of a substance. Therefore, if we have one mole of a substance with a gram molecular mass, it will contain Avogadro's number of molecules.
- For example, if we have one mole of a substance with a gram molecular mass of 18 g/mol, it will contain approximately \(6.022 \times 10^{23}\) molecules.
Answer:
- In the given question, Avogadro's number is related to the gram molecular mass because one mole of a substance with a specific gram molecular mass will contain Avogadro's number of molecules.
- Therefore, the correct answer is option 'C', gram molecular mass, as Avogadro's number is the number of molecules present in one mole of a substance.
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Avogadro’s number is the number of molecules present ina)1 litre...
Avogadro’s number is 6.023 x 1023 which is equal to molecules present in gram molecular mass.
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Avogadro’s number is the number of molecules present ina)1 litre of moleculeb)1 g of moleculec)gram molecular massd)1 g atom of moleculesCorrect answer is option 'C'. Can you explain this answer?
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