1. The density of gold is 19.3 g/cm3 . What is the mass of a bar of gold in kilograms that measure 6 inches x 4 inches x 2 inches ?2. A bar of aluminum occupies a volume of 15 ml and weights 40.5 g . What is the density?3. Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml . The mercury used to fill the cylinder weights 306 g . From this information , calculate the density of mercury .4. What is the weight of the ethyl alcohol that exactly fills a 200 ml container ? The density of ethyl alcohol is 0.789 g/ ml .5. A rectangular block of copper metal weights 1896 g the dimensions of the block 8.4 by 5.5 by 4.6 inches. From this data, what is the density of copper?