What is the molality of a 5. 39 m cacl2 solution with a density of 1. 51 g/ml? enter answer to 3 decimal places.

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

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