After passing 50.00 ml aliquot of the diluted unknown sodium chloride solution through a cation exchange resin, 30.00 ml of 0.01000M sodium hydroxide solution was required to titrate the eluate. 25.00 mL aliquot of an original unknown sodium chloride solution was diluted to 250.0 mL in a volumetric flask.
1. Determine the molarity of sodium ion in the 50.00 mL portion of the diluted unknown sodium chloride solution.
2. Determine the molarity of sodium ion in the original unknown chloride solution.