Question

Calculate the no of particles in 8 g of o2 mole

Answer 1

hope it helps you out

Answer 2

molar mass of o2=32 g

moles of o2 in 8g=8/32=1/4 mole

particles in 1 mole=6.022 x 10 ^2

particles in 1/4 mole of o2= 1/4 x 6.022 x 10^23

=1.5055 x 10^23