Solve the sum using density formula

Question

A plastic bag filled with air has a volume of 0.008m³. when air in the bag is squeezed into a rigid container, the mass of the container (with air) increases from 0.02kg to 0.03kg. use the density formula to calculate the density of the air in the bag

Answer 1

Density = mass/volume

The volume is given a 0.008m³

To find the mass, subtract the mass of the container from the total mass. 0.03 kg - 0.02 kg = 0.01 kg

Density = mass/volume = 0.01 kg/0.008m³ = 1.25 kg/m³