The density of iron is 7.87 g/cm3. the density of nickel is 8.91 g/cm3. a cube of each metal is placed into a cup of water. they both displace the same volume of water. how is this possible?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound