A 2.55010² MM solution of NaClNaCl in water is at 20.0CC. The sample was created by dissolving a sample of NaClNaCl in water and then bringing the volume up to 1.000 LL. It was determined that the volume of water needed to do this was 999.3 mL . The density of water at 20.0CC is 0.9982 g/mL.

Part A

Calculate the molality of the salt solution.

Express your answer to four significant figures and include the appropriate units.

Part B

Calculate the mole fraction of salt in this solution.

Express the mole fraction to four significant figures.