Question

Which of the following contains Avagadro number of atoms?
1) one mole of Helium gas
2) 22.4 lts of CO, at STP
3) 11.2 lts of Hydrogen gas at STP
4) 3.2 gms of methane​

Answer 1

Answer:

1) contains the Avogadro number of atoms.

Answer 2

Explanation:

your answer is 1,3,4

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