Question

What mass of lead has the same volume as 1600kg of petrol?

Answer 1

Answer:

The volume of 1600 kg of petrol is 1600/800 = 2 m^3. As the density of lead is 11400 kg/m^3, the mass of 2 m^3 is 11400*2 = 22800 kg. The mass of lead with the same volume as 1600 kg of petrol is 22800 kg.