What Are the Respective Concentrations (M) of Na⁺ and SO₄^2-

Multiple Choice

What are the respective concentrations (M) of Na⁺ and SO₄^2- afforded by dissolving 0.500 mol Na₂SO₄ in water and diluting to 1.33 L?

A) 0.665 and 1.33
B) 1.33 and 0.665
C) 0.376 and 0.752
D) 0.665 and 0.665
E) 0.752 and 0.376