Determine the concentration of each individual ion in the mixture when 50.0mL of a 0.750M solution of barium chloride is mixed with 25.0mL of a 1.20M solution of sodium chloride

Determine the concentration of each individual ion in the mixture when 50.0mL of a 0.750M solution of barium chloride is mixed with 25.0mL of a 1.20M solution of sodium chloride