526
Neither, both weigh the same. However, I kg of popcorn would take up much more space than 1 kg of sugar.
1000 pickles
Both are as heavy as each other. however as iron is more dense, it would take up much less space.
4.25 kg refrigerant required for 5 ton A/C
it weighs 890 kg
because there's more space between the molecules in foam than there is in rock
In space, nothing has any weight, regardless of its mass.
27.03 mm^3 of air
A lot
Since one Kg of iron is much more dense (the weight is concentrated in a smaller area) than cotton, it takes up less space.
0.55 kg (1.21 lb)........