Answer:
K₂SO₄ + BaCl₂ → BaSO₄ + 2KCl
Step-by-step explanation:
K₂SO₄ + BaCl₂ → BaSO₄ + 2KCl
2K in reactant side, 2 K in product side
1 SO₄ in reactant side, 1 SO₄ in product side
1 Ba in reactant side, 1 Ba in product side
2 Cl in reactant side, 2 Cl in product side