Which of the following aqueous solutions has the highest molar concentration of Na+ (aq)?
(Assume each compound is fully dissolved in water.)A) 3.0M NaCl (sodium chloride)
B) 3.0M NaC2H3O2 (sodium acetate)
C) 1.5M Na2SO4 (sodium sulfate)
D) 1.0M Na3PO4 (sodium phosphate)
E) All of these solutions have the same concentration of Na+ (aq).
Answer: E