1. What is the density if an unknown solid weighs the 84.0 grams and occupies the 30.0cm3 of space?
2. Determine the mass of a liquid which is having the volume of 3.5 liters and a density of 1.50 g/ml?
3. If the density is known to be 20.5 g/cm3 then determine what volume would a 200 gram sample of gold have?