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The number of molecules in 16g of methan...

The number of molecules in 16g of methane is :

A

`3.0 xx 10^(23)`

B

`6.022 xx 10^(23)`

C

`16//6.022 xx 10^(23)`

D

`16//3.0 xx 10^(23)`

Text Solution

Verified by Experts

The correct Answer is:
B
16g of methane (1.0 mole) contain Avogadro's number of molecules.
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The number of molecules in 16 g of methane is

Atoms and molecules are so small in size that it is neither possible to count them individually nor possible to determine their mass. These are counted collectively in terms of Avogadro's number. The mass of Avogadro's number of atoms and molecules is known as gram atomic mass and gram molecular mass respectively. The volume occupied by Avogadro's number of molecules of a gas or vapours is known as molar volume. The number of molecules in 16 g of methane is :

Number of molecules in 16 g of methane is :

Atoms and molecules are so small in size that it is neither possible to count them individually nor possible to determine their mass. These are counted collectively in terms of Avogadro's number. The mass of Avogadro's number of atoms and molecules of a substance is known as gram atomic mass and gram molecular mass respectively. The volume occupied by Avogadro's number of molecules of a gas or vapour, is known as molar volume. The number of molecules in 16 g of methane is

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