Asolution is prepared by adding 0.400 g of solid nacl to 50.0 ml of 0.100 m cacl2. what is the molarity of chloride ion in the final solution? assume that the volume of the final solution is 50.0 ml. a solution is prepared by adding 0.400 g of solid to 50.0 ml of 0.100 m . what is the molarity of chloride ion in the final solution? assume that the volume of the final solution is 50.0 ml. 0.108 0.137 0.208 0.237 0.337