1. The specific gravity of benzene is 0.876. Calculate its specific weight and its density in SI units. 2. At 100C mercury has a specific weight of 130.4 kN/m3. What volume of the mercury would weigh 2.25 KN? 3. A cylindrical can 150 mm in diameter is filled to a depth of 100 mm with a fuel oil. The oil has a mass 1.56 kg. Calculate its density, specific weight, and specific gravity. 4. One litre of a certain fuel oil weighs 8.82 N. Calculate its specific weight, its density, and its specific gravity 5. What volume of mercury (sg-13.54) would weigh the same as 0.020 m3 of castor oil, which has a specific weight of 9.42 kN/m3?