Question

pls help me in this.......​

Answer 1

we knoa at STP

any gases occupy 22.4L in one Mole

given density =1.5g

now 1.5=m/22.4

m = 22.4 ×1.5

=33.6g

Answer 2

33.6

density= mass / volume

at stp 1 mole = 22.4 litre.

so 1.5 × 22.4 = 33.6