An Aqueous Solution of Barium Nitrate Reacts with an Aqueous

An aqueous solution of barium nitrate reacts with an aqueous solution of sodium sulfate. Identify the solid and indicate its coefficient in the balanced equation.

A) BaSO_{4 ,} 1
B) NaNO_{3 ,} 1
C) BaSO_{2 ,} 2
D) NaNO_{3 ,} 2
E) none of these