Question

What is the number of molecules present
in 4.48 L of carbon dioxide at STP?​

Answer 1

Explanation:

Number of moles in 22.4 L of O

2

at 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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