Question

A plastic bag filled with air has a volume of 0.008m3. When the air in the bag is squeezed into a rigid container, the mass of container (the air) increases from 0.02 kg to 0.03 kg. Use the formula, Density= Mass/volume to calculate the density of the air in the bag. Thank you for your time...

Answer 1

The change in the mass of box = 0.01 kg

Volume of air in the polythene bag = Volume of air in the rigid box

Therefore, Volume of air in the box = 0.008 m^3

Now, Density = Mass/ Volume

=> Density = 0.01 / 0.008 = 1.25 Kg / m^3

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