Question

Examine the samples given

a) 20 g He.

b) 1 mol CO2

c) 44.8 L NH3 at STP
( Atomic mass H= 1,He = 4, C=12, O= 16,N= 14)

Arrange the samples in the increasing order of the number of molecules.​

Answer 1

Answer:

b < c < a

Explanation:

a) N = 60×10^23

b) N= 6×10^23

c) N= 12×10^23

Answer 2

b<c<a

b)1 *NA molecules

c)2*NA molecules

a)5* NA molecules