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Avogadro's Law MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET

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A and B are two identical vessels. A contains 15 g Ethane at 1atm and 298 K. The vessel B contains 75 g of a gas X2 at same temperature and pressure. The vapour density of X2 is : 

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The Gas Laws - Avogadro's Law (Volume - Amount Relationship)

Avogadro’s Law
According to Avogadro's law, "At constant temperature and pressure, equal volume of gases will have same number of molecules or moles "

Molar Volume or Gram Molecular Volume 
1 mole of a gaseous substance has 22.4 litre volume at NTP which is known as it's molar volume.

Avogadro Number
1 mole of a substance contains number of molecules. 

1 gram atom of any element contains atoms,

 

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