Upper H Subscript 2 Baseline Upper S Upper O Subscript 4 Baseline (aq) double-headed arrow 2 Upper H Superscript + Baseline (aq) + Upper S Upper O Superscript 2 negative sign Subscript 4 Baseline (aq)
Which contain a common ion that will shift the equilibrium system represented by the equation shown?
Select all that apply.
a.MgSO₄
b.Na₂S
c.HNO₃
d.CaCl₂