Calculate the density (slope) of substance B. Report your answer as a decimal. Report numerical answer only. You do not need to report a unit Substance A Substance B 90 80 Substance C 70 60 Mass (g) 50 40 Substance D 30 20​

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