What is the concentration of sodium chloride in the final solution if 25.34 mL of 0.113 M BaCl2 completely reacts and the total volume of the reaction is 110.4 mL, given the reaction
BaCl2(aq) + Na2SO4(aq) ? BaSO4(s) + 2NaCl (aq)
A) 0.226
B) 0.0259
C) 0.0519
D) 0.667
E) none of the above
Answer: C