Calculate: (L5) Calculate the molality of each of the following solutions:
1.29 gram of NaCl dissolved in 0.159 L of water
write each step including conversions.

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