Question

number of oxygen atoms present in 2.24litre of oxygen at STP​

Answer 1

Explanation:

Number of moles in 22.4 L of O²at STP =22.4/22.4=1 mole

Number of atoms present in 1 mole of oxygen=6×10^23

so total no. of oxygen atoms=2×6×10^23

=12×10^23 atoms

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