Avogadro number is the number of atoms present in exactly:

16 g

of oxygen

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12 g

of carbon

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2 g

of hydrogen

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None of the above

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Solution

The correct option is B $12 g$ of carbon
Avogadro number is the number of atoms in exactly 12 g of carbon-12. It is equal to $6.022 \times 10^{23}$ .

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Similar questions

Q. The number of atoms present in

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The number of atoms present in one mole of an element is equal to Avogadro's number. Which of the following element contains the greatest number of atoms?

(a) 4 g He

(b) 46 g Na

(d) 12 g He

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Q. Number of oxygen atoms present in

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Q. Find the total number of nucleons present in

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Avogadro number is the number of atoms present in exactly:

The correct option is B 12 g of carbonAvogadro number is the number of atoms in exactly 12 g of carbon-12. It is equal to 6.022×1023.

The correct option is B $12 g$ of carbon
Avogadro number is the number of atoms in exactly 12 g of carbon-12. It is equal to $6.022 \times 10^{23}$ .