What occurs when Na2SO4(s) is added to this system, increasing the concentration of SO42-(aq)? 1.
The equilibrium shifts to the left, and the concentration of Ba2+(aq) decreases.
2.
The equilibrium shifts to the left, and the concentration of Ba2+ (aq) increases.
3
The equilibrium shifts to the right, and the concentration of Ba2+ (aq) decreases.
The equilibrium shifts to the right, and the concentration of Ba2+ (aq) increases.