Question

2. A solution of sodium chloride was prepared by dissolving 70g 250ml of distilled water.

a) Calculate the concentration of the solution which was made by dissolving 120g of in 250ml in distilled water

b) Calculate how much of this solution you will need to make up 500ml of 200mM NaCL

Answer 1

a)Concentration of the solution=8.204M

b)Amount of Solution =20.885mL