Answer:
Volume of air = 120 m³
Mass of air = 156 kg
Step-by-step explanation:
Volume of air in a lab of dimensions,
= 8 x 5 x 3
= 120 m³
Mass of the air ?
Given : Density of air = 1.3 kg/m³
Formula : -
Density = Mass / Volume
Mass = Density x Volume
= 1.3 x 120
Mass = 156 kg
