Question

1. Calculate the number of particles present in 3.2g of oxygen molecules.​

Answer 1

Answer:

1 mole of gas contains 6.022×10

23

molecules

No. of moles in 32 g of oxygen gas =

16

32

=2

So, the no. of molecules of Oxygen gas that are present in 2 moles of oxygen gas = 1.2044×10

24