Question

the density of air is 1.28 g l-¹ . express it in (a) g cm-³ (b) kg m-³​

Answer 1

Explanation:

1 litre = 0.001 m^3

1.28 gm/ltr = 1.28 *0.01 gm/cm^3

= 0.0128 gm/cm^3

= 0.0128*1000 kg/m^3

= 12.8 kg/m^3