Question

A solution was prepared by dissolving 40.0 g of KCl in 225 g of water.

Part A

Calculate the mass percent of KCl in the solution.

Express your answer with the appropriate units.

Part B

Calculate the mole fraction of the ionic species KCl in the solution.

Express the concentration numerically as a mole fraction in decimal form.

X =

Part C

Calculate the molarity of KCl in the solution if the total volume of the solution is 239 mL.

Express your answer with the appropriate units.

Part D

Calculate the molality of KCl in the solution.