Could anyone please help me on answering the following question regarding calculating the characteristic properties of ion exchange resins:

Q: Find a) the exchange capacity of the resin, b) the selectivity coefficient of the resin and c) the distribution coefficient of sodium using the following information:

A column contains 0.005g of a stong acid ion-exchange resin in the H+ form. A 1.00M NaCL solution is passed through the column until the eluent shows a neutral reaction. The total eluent is titrated with 17.5mL of 0.05M NaOH. A 100mL portion of a 1.00 x 10-3 M NaOH solution is equilibrated with -0.150g of the same resin, and the sodium concentration in the supernatant solution is found to be 2.20 x 10-4M by flame spectroscopy.

(the concentration is expressed in meq/g for the resin and meq/mL for the solution)

Would really appreciate if anyone could help me out on this?!

Thank you